Revert ALL jekyll-text-theme configuration files

I am changing the theme of the site, and need to revert these changes
to make everything work.

Revert "Add jekyll-text-theme YAML files"

This reverts commit 61b34a5f260db45575d448d766ea29c0fb273ed3.

Revert "Bring all of jekyll-text-theme _includes into site"

This reverts commit c6bf5f7c895287d2028f6024265913b59784a154.

Revert "Bring all of jekyll-text-theme assets to site"

This reverts commit 7b69c2e5975f98da09d932ba6c70bdd71b1601a7.

Remove jekyll text theme from Gemfile

80 files changed, 0 insertions, 3881 deletions

diff --git a/_sass/additional/_alert.scss b/_sass/additional/_alert.scss
deleted file mode 100644
index fa5651f..0000000
--- a/_sass/additional/_alert.scss
+++ /dev/null
@@ -1,29 +0,0 @@
-.article__content {
-  p.success {
-    padding: map-get($spacers, 2) map-get($spacers, 3);
-    background-color: rgba($green, .1);
-    border: 1px solid $green;
-    border-radius: map-get($base, border-radius);
-  }
-
-  p.info {
-    padding: map-get($spacers, 2) map-get($spacers, 3);
-    background-color: rgba($blue, .1);
-    border: 1px solid $blue;
-    border-radius: map-get($base, border-radius);
-  }
-
-  p.warning {
-    padding: map-get($spacers, 2) map-get($spacers, 3);
-    background-color: rgba($yellow, .1);
-    border: 1px solid $yellow;
-    border-radius: map-get($base, border-radius);
-  }
-
-  p.error {
-    padding: map-get($spacers, 2) map-get($spacers, 3);
-    background-color: rgba($red, .1);
-    border: 1px solid $red;
-    border-radius: map-get($base, border-radius);
-  }
-}
diff --git a/_sass/additional/_photo-frame.scss b/_sass/additional/_photo-frame.scss
deleted file mode 100644
index 55a30c7..0000000
--- a/_sass/additional/_photo-frame.scss
+++ /dev/null
@@ -1,17 +0,0 @@
-.article__content {
-  img.shadow, .shadow > img {
-    @include box-shadow();
-  }
-
-  img.border, .border > img {
-    border: 1px solid $border-color-l;
-  }
-
-  img.rounded, .rounded > img {
-    border-radius: map-get($base, border-radius);
-  }
-
-  img.circle, .circle > img {
-    border-radius: 50%;
-  }
-}
diff --git a/_sass/additional/_tag.scss b/_sass/additional/_tag.scss
deleted file mode 100644
index 6a418ed..0000000
--- a/_sass/additional/_tag.scss
+++ /dev/null
@@ -1,21 +0,0 @@
-.article__content {
-  code.success {
-    color: $text-color-function;
-    background-color: $green;
-  }
-
-  code.info {
-    color: $text-color-function;
-    background-color: $blue;
-  }
-
-  code.warning {
-    color: $text-color-function;
-    background-color: $yellow;
-  }
-
-  code.error {
-    color: $text-color-function;
-    background-color: $red;
-  }
-}
diff --git a/_sass/animate/_fade-in-down.scss b/_sass/animate/_fade-in-down.scss
deleted file mode 100644
index a32a4e7..0000000
--- a/_sass/animate/_fade-in-down.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-@include keyframes(fade-in-down) {
-  from {
-    opacity: 0;
-    @include transform(translateY(-2rem));
-  }
-  to {
-    opacity: 1;
-    @include transform(translateY(0));
-  }
-}
diff --git a/_sass/animate/_fade-in-up.scss b/_sass/animate/_fade-in-up.scss
deleted file mode 100644
index 920a0bb..0000000
--- a/_sass/animate/_fade-in-up.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-@include keyframes(fade-in-up) {
-  from {
-    opacity: 0;
-    @include transform(translateY(2rem));
-  }
-  to {
-    opacity: 1;
-    @include transform(translateY(0));
-  }
-}
diff --git a/_sass/animate/_fade-in.scss b/_sass/animate/_fade-in.scss
deleted file mode 100644
index 03fdea8..0000000
--- a/_sass/animate/_fade-in.scss
+++ /dev/null
@@ -1,8 +0,0 @@
-@include keyframes(fade-in) {
-  from {
-    opacity: 0;
-  }
-  to {
-    opacity: 1;
-  }
-}
diff --git a/_sass/common/_classes.scss b/_sass/common/_classes.scss
deleted file mode 100644
index b5615d8..0000000
--- a/_sass/common/_classes.scss
+++ /dev/null
@@ -1,24 +0,0 @@
-/* stylelint-disable at-rule-name-space-after, at-rule-semicolon-space-before  */
-@charset "utf-8";
-@import
-  "common/classes/animation",
-  "common/classes/transform",
-  "common/classes/transition",
-  "common/classes/user-select",
-
-  "common/classes/clearfix",
-  "common/classes/media",
-  "common/classes/clickable",
-  "common/classes/display",
-  "common/classes/flex",
-  "common/classes/horizontal-rules",
-  "common/classes/pseudo",
-  "common/classes/link",
-  "common/classes/text",
-  "common/classes/overflow",
-  "common/classes/shadow",
-  "common/classes/spacing",
-  "common/classes/split-line",
-  "common/classes/grid"
-;
-/* stylelint-enable */
diff --git a/_sass/common/_function.scss b/_sass/common/_function.scss
deleted file mode 100644
index 1de2492..0000000
--- a/_sass/common/_function.scss
+++ /dev/null
@@ -1,15 +0,0 @@
-@function get-color-theme($color) {
-  @if lightness($color) < 15% {
-    @return "dark";
-  } @else {
-    @return "light";
-  }
-}
-
-@function breakpoint-infix($name, $breakpoints: default) {
-  @if $breakpoints == default {
-    $breakpoints: $responsive;
-  }
-  $min: map-get($breakpoints, $name);
-  @return if($min != 0, "#{$name}-", "");
-}
diff --git a/_sass/common/_print.scss b/_sass/common/_print.scss
deleted file mode 100644
index d798d87..0000000
--- a/_sass/common/_print.scss
+++ /dev/null
@@ -1,20 +0,0 @@
-@media print {
-  a {
-    @include plain() {
-      text-decoration: underline;
-    }
-    @include hover() {
-      text-decoration: underline;
-    }
-    @include active() {
-      text-decoration: underline;
-    }
-  }
-
-  img,
-  tr,
-  pre,
-  blockquote {
-    page-break-inside: avoid;
-  }
-}
diff --git a/_sass/common/_reset.scss b/_sass/common/_reset.scss
deleted file mode 100644
index 2062d37..0000000
--- a/_sass/common/_reset.scss
+++ /dev/null
@@ -1,174 +0,0 @@
-@mixin block-elements {
-  h1,
-  h2,
-  h3,
-  h4,
-  h5,
-  h6,
-  p,
-  hr,
-  blockquote,
-  figure,
-  pre,
-  .highlighter-rouge,
-  ul,
-  ol,
-  dl,
-  table,
-  .footnotes {
-    @content;
-  }
-}
-@mixin heading-elements {
-  h1, h2, h3, h4, h5, h6 {
-    @content;
-  }
-}
-
-*,
-::before,
-::after {
-  box-sizing: border-box;
-  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-}
-
-/**
- * 1. Prevent adjustments of font size after orientation changes in iOS.
- **/
-
-html {
-  font-size: map-get($base, font-size-root);
-  -webkit-text-size-adjust: 100%; /* 1 */
-  @media print {
-    font-size: map-get($base, font-size-root-sm);
-  }
-}
-
-body {
-  padding: 0;
-  margin: 0;
-  font: map-get($base, font-weight) #{map-get($base, font-size)}/#{map-get($base, line-height)} map-get($base, font-family);
-  ::-moz-selection {
-    background: $select-color;
-  }
-  ::-webkit-selection {
-    background: $select-color;
-  }
-  ::selection {
-    background: $select-color;
-  }
-}
-
-@include block-elements() {
-  padding: 0;
-  margin: map-get($spacers, 2) 0;
-}
-
-input, textarea, select, button {
-  font: map-get($base, font-weight) #{map-get($base, font-size)}/#{map-get($base, line-height)} map-get($base, font-family);
-  color: $text-color;
-}
-
-h1,
-h2,
-h3,
-h4,
-h5,
-h6,
-strong {
-  font-weight: map-get($base, font-weight-bold);
-}
-
-h1 {
-  font-size: map-get($base, font-size-h1);
-  color: $text-color-d;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h1-sm);
-  }
-}
-
-h2 {
-  font-size: map-get($base, font-size-h2);
-  color: $text-color-d;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h2-sm);
-  }
-}
-
-h3 {
-  font-size: map-get($base, font-size-h3);
-  color: $text-color-d;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h3-sm);
-  }
-}
-
-h4 {
-  font-size: map-get($base, font-size-h4);
-  color: $text-color;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h4-sm);
-  }
-}
-
-h5 {
-  font-size: map-get($base, font-size-h5);
-  color: $text-color;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h5-sm);
-  }
-}
-
-h6 {
-  font-size: map-get($base, font-size-h6);
-  color: $text-color-l;
-  @include media-breakpoint-down(md) {
-    font-size: map-get($base, font-size-h6-sm);
-  }
-}
-
-a {
-  font-weight: map-get($base, font-weight-bold);
-  @include link-colors($main-color-1);
-}
-
-pre, code {
-  font-family: map-get($base, font-family-code);
-}
-
-code {
-  font-size: map-get($base, font-size-xs);
-  line-height: map-get($base, line-height-sm);
-}
-
-figure > img {
-  display: block;
-}
-
-figcaption {
-  font-size: map-get($base, font-size-sm);
-}
-
-button {
-  padding: 0;
-  margin: 0;
-  font-size: map-get($spacers, 3);
-  cursor: pointer;
-  background-color: transparent;
-  border-width: 0;
-  outline: none;
-}
-
-input {
-  &::-ms-clear {
-    display: none;
-  }
-  &:focus {
-    outline: none;
-  }
-}
-
-// mermaid
-.mermaidTooltip {
-  display: none;
-}
diff --git a/_sass/common/_variables.scss b/_sass/common/_variables.scss
deleted file mode 100644
index faf4e98..0000000
--- a/_sass/common/_variables.scss
+++ /dev/null
@@ -1,150 +0,0 @@
-$base: (
-  font-family:            (-apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif),
-  font-family-code:       (Menlo, Monaco, Consolas, Andale Mono, lucida console, Courier New, monospace),
-
-  font-size-root:         16px,
-  font-size-root-sm:      14px,
-
-  font-size-xl:           1.5rem,
-  font-size-lg:           1.25rem,
-  font-size:              1rem,
-  font-size-sm:           .85rem,
-  font-size-xs:           .7rem,
-
-  font-size-h1-xl:        3.5rem,
-  font-size-h2-xl:        2.5rem,
-  font-size-h3-xl:        2rem,
-  font-size-h4-xl:        1.75rem,
-  font-size-h5-xl:        1.5rem,
-  font-size-h6-xl:        1.5rem,
-
-  font-size-h1-lg:        3rem,
-  font-size-h2-lg:        2rem,
-  font-size-h3-lg:        1.75rem,
-  font-size-h4-lg:        1.5rem,
-  font-size-h5-lg:        1.25rem,
-  font-size-h6-lg:        1.25rem,
-
-  font-size-h1:           2.5rem,
-  font-size-h2:           1.9rem,
-  font-size-h3:           1.5rem,
-  font-size-h4:           1.2rem,
-  font-size-h5:           1rem,
-  font-size-h6:           1rem,
-
-  font-size-h1-sm:        2rem,
-  font-size-h2-sm:        1.5rem,
-  font-size-h3-sm:        1.35rem,
-  font-size-h4-sm:        1.15rem,
-  font-size-h5-sm:        1rem,
-  font-size-h6-sm:        1rem,
-
-  font-size-h1-xs:        1.05rem,
-  font-size-h2-xs:        1rem,
-  font-size-h3-xs:        .95rem,
-  font-size-h4-xs:        .9rem,
-  font-size-h5-xs:        .85rem,
-  font-size-h6-xs:        .85rem,
-
-  font-weight:            400,
-  font-weight-bold:       700,
-
-  line-height-xl:         2,
-  line-height-lg:         1.8,
-  line-height:            1.6,
-  line-height-sm:         1.4,
-  line-height-xs:         1.2,
-
-  spacer:                 1rem,
-
-  border-radius-lg:       .8rem,
-  border-radius:          .4rem,
-  border-radius-sm:       .2rem
-);
-
-$spacers: (
-  0:                      0,
-  1:                      map-get($base, spacer) * .25,
-  2:                      map-get($base, spacer) * .5,
-  3:                      map-get($base, spacer),
-  4:                      map-get($base, spacer) * 1.5,
-  5:                      map-get($base, spacer) * 3
-);
-
-$z-indexes: (
-  actions: 996,
-  mask: 997,
-  sidebar: 998,
-  modal: 999
-);
-
-$layout: (
-  header-height:          5rem,
-  header-height-sm:       3rem,
-  content-max-width:      950px,
-  sidebar-width:          250px,
-  sidebar-header-height:  3rem,
-  aside-width:            220px
-);
-
-//     sm       md       lg
-// | ------ | ------ | ------ |
-// 0       500      1024      -
-
-$responsive: (
-  sm:                      0,
-  md:                      500px,
-  lg:                      1024px
-);
-
-$animation: (
-  duration:               .4s,
-  duration-sm:            .2s,
-  timing-function:        ease-in-out
-);
-
-$clickable: (
-  transition:             all .2s ease-in-out
-);
-
-$button-height-xl:        2.8rem;
-$button-height-lg:        2.3rem;
-$button-height:           1.9rem;
-$button-height-sm:        1.5rem;
-$button-height-xs:        1.2rem;
-
-$button: (
-  padding-y-xl:           ($button-height-xl - map-get($base, font-size-xl)) / 2,
-  padding-x-xl:           $button-height-xl / 3,
-  padding-y-lg:           ($button-height-lg - map-get($base, font-size-lg)) / 2,
-  padding-x-lg:           $button-height-lg / 3,
-  padding-y:              ($button-height - map-get($base, font-size)) / 2,
-  padding-x:              $button-height / 3,
-  padding-y-sm:           ($button-height-sm - map-get($base, font-size-sm)) / 2,
-  padding-x-sm:           $button-height-sm / 3,
-  padding-y-xs:           ($button-height-xs - map-get($base, font-size-xs)) / 2,
-  padding-x-xs:           $button-height-xs / 3,
-
-  pill-radius:            6rem,
-
-  circle-diameter-xl:     $button-height-xl,
-  circle-diameter-lg:     $button-height-lg,
-  circle-diameter:        $button-height,
-  circle-diameter-sm:     $button-height-sm,
-  circle-diameter-xs:     $button-height-xs,
-
-  font-weight:            map-get($base, font-weight-bold)
-);
-
-$image: (
-  width-xl:  20em,
-  width-lg:  16rem,
-  width:     12rem,
-  width-sm:  8rem,
-  width-xs:  4rem
-);
-
-$menu: (
-  horizontal-spacer: 1,
-  horizontal-item-vertical-spacer: 1
-);
diff --git a/_sass/common/classes/_animation.scss b/_sass/common/classes/_animation.scss
deleted file mode 100644
index 2dbc47d..0000000
--- a/_sass/common/classes/_animation.scss
+++ /dev/null
@@ -1,13 +0,0 @@
-@mixin animation($value) {
-  -webkit-animation: $value;
-  animation: $value;
-}
-
-@mixin keyframes($name) {
-  @-webkit-keyframes #{$name} {
-    @content;
-  }
-  @keyframes #{$name} {
-    @content;
-  }
-}
diff --git a/_sass/common/classes/_clearfix.scss b/_sass/common/classes/_clearfix.scss
deleted file mode 100644
index caf3124..0000000
--- a/_sass/common/classes/_clearfix.scss
+++ /dev/null
@@ -1,19 +0,0 @@
-@mixin clearfix() {
-  &::after {
-    display: table;
-    clear: both;
-    content: "";
-  }
-}
-
-.clearfix {
-  @include clearfix();
-}
-
-.left {
-  float: left;
-}
-
-.right {
-  float: right;
-}
diff --git a/_sass/common/classes/_clickable.scss b/_sass/common/classes/_clickable.scss
deleted file mode 100644
index af32eff..0000000
--- a/_sass/common/classes/_clickable.scss
+++ /dev/null
@@ -1,159 +0,0 @@
-@mixin clickable($clr, $bg-clr, $hover-clr: default, $hover-bg-clr: default, $active-clr: default, $active-bg-clr: default, $focus-clr: default, $focus-bg-clr: default, $theme: default, $ignore-path: default) {
-
-  @if $theme == default {
-    @if $bg-clr == null and $hover-bg-clr == null {
-      @if $hover-clr == default {
-        $theme: get-color-theme($clr);
-      } @else {
-        $theme: get-color-theme($hover-clr);
-      }
-    } @else {
-      @if $hover-bg-clr == default {
-        $theme: get-color-theme($bg-clr);
-      } @else {
-        $theme: get-color-theme($hover-bg-clr);
-      }
-    }
-  }
-
-  @if $ignore-path == default {
-    $ignore-path: false;
-  } @else {
-    $ignore-path: true;
-  }
-
-  @include transition(map-get($clickable, transition));
-  @if $ignore-path == false {
-    svg {
-      path {
-        @include transition(map-get($clickable, transition));
-      }
-    }
-  }
-
-  // hover
-  @if $hover-clr == default {
-    @if $hover-bg-clr == null {
-      @if $theme == "light" {
-        $hover-clr: darken($clr, 14%);
-      }
-      @if $theme == "dark" {
-        $hover-clr: lighten($clr, 18%);
-      }
-    } @else if $hover-bg-clr == default {
-      $hover-clr: $clr;
-    }
-  }
-
-  @if $hover-bg-clr == default {
-    @if $theme == "light" {
-      $hover-bg-clr: darken($bg-clr, 14%);
-    }
-    @if $theme == "dark" {
-      $hover-bg-clr: lighten($bg-clr, 18%);
-    }
-  }
-
-  // active
-  @if $active-clr == default {
-    @if $active-bg-clr == null {
-      @if $theme == "light" {
-        $active-clr: darken($hover-clr, 15%);
-      }
-      @if $theme == "dark" {
-        $active-clr: lighten($hover-clr, 16%);
-      }
-    } @else if $active-bg-clr == default {
-      $active-clr: $hover-clr;
-    }
-  }
-
-  @if $active-bg-clr == default {
-    @if $theme == "light" {
-      $active-bg-clr: darken($hover-bg-clr, 15%);
-    }
-    @if $theme == "dark" {
-      $active-bg-clr: lighten($hover-bg-clr, 16%);
-    }
-  }
-
-  // focus
-  @if $focus-clr == default {
-    @if $focus-bg-clr == null {
-      $focus-clr: $hover-clr;
-    } @else if $hover-bg-clr == default {
-      $focus-clr: $hover-clr;
-    }
-  }
-
-  @if $focus-bg-clr == default {
-    $focus-bg-clr: $hover-bg-clr;
-  }
-
-  @include plain() {
-    color: $clr;
-    @if $bg-clr {
-      background-color: $bg-clr;
-    }
-    @if $ignore-path == false {
-      svg path {
-        fill: $clr;
-      }
-    }
-  }
-  @include hover() {
-    color: $hover-clr;
-    @if $hover-bg-clr {
-      background-color: $hover-bg-clr;
-    }
-    @if $ignore-path == false {
-      svg path {
-        fill: $hover-clr;
-      }
-    }
-  }
-  @include active() {
-    color: $active-clr;
-    @if $active-bg-clr {
-      background-color: $active-bg-clr;
-    }
-    @if $ignore-path == false {
-      svg path {
-        fill: $active-clr;
-      }
-    }
-  }
-  @include focus() {
-    color: $focus-clr;
-    @if $focus-bg-clr{
-      background-color: $focus-bg-clr;
-      box-shadow: 0 0 0 2px rgba($focus-bg-clr, .4);
-    }
-    @if $ignore-path == false {
-      svg path {
-        fill: $focus-clr;
-      }
-    }
-  }
-  @include disabled() {
-    @if $theme == "light" {
-      color: rgba($clr, .2) !important;
-    }
-    @if $theme == "dark" {
-      color: rgba($clr, .4) !important;
-    }
-    @if $bg-clr {
-      background-color: $bg-clr !important;
-    }
-    @if $ignore-path == false {
-      svg path {
-        @if $theme == "light" {
-          fill: rgba($clr, .2) !important;
-        }
-        @if $theme == "dark" {
-          fill: rgba($clr, .4) !important;
-        }
-      }
-    }
-  }
-}
diff --git a/_sass/common/classes/_display.scss b/_sass/common/classes/_display.scss
deleted file mode 100644
index 411611e..0000000
--- a/_sass/common/classes/_display.scss
+++ /dev/null
@@ -1,13 +0,0 @@
-@each $breakpoint in map-keys($responsive) {
-  @include media-breakpoint-up($breakpoint) {
-    .d-#{breakpoint-infix($breakpoint)}none {
-      display: none !important;
-    }
-  }
-}
-
-.d-print-none {
-  @media print {
-    display: none !important;
-  }
-}
diff --git a/_sass/common/classes/_flex.scss b/_sass/common/classes/_flex.scss
deleted file mode 100644
index 59e1570..0000000
--- a/_sass/common/classes/_flex.scss
+++ /dev/null
@@ -1,394 +0,0 @@
-// Flexbox Mixins
-// http://philipwalton.github.io/solved-by-flexbox/
-// https://github.com/philipwalton/solved-by-flexbox
-//
-// Copyright (c) 2013 Brian Franco
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-// This is a set of mixins for those who want to mess around with flexbox
-// using the native support of current browsers. For full support table
-// check: http://caniuse.com/flexbox
-//
-// Basically this will use:
-//
-// * Fallback, old syntax (IE10, mobile webkit browsers - no wrapping)
-// * Final standards syntax (FF, Safari, Chrome, IE11, Opera)
-//
-// This was inspired by:
-//
-// * http://dev.opera.com/articles/view/advanced-cross-browser-flexbox/
-//
-// With help from:
-//
-// * http://w3.org/tr/css3-flexbox/
-// * http://the-echoplex.net/flexyboxes/
-// * http://msdn.microsoft.com/en-us/library/ie/hh772069(v=vs.85).aspx
-// * http://css-tricks.com/using-flexbox/
-// * http://dev.opera.com/articles/view/advanced-cross-browser-flexbox/
-// * https://developer.mozilla.org/en-us/docs/web/guide/css/flexible_boxes
-
-//----------------------------------------------------------------------
-
-// Flexbox Containers
-//
-// The 'flex' value causes an element to generate a block-level flex
-// container box.
-//
-// The 'inline-flex' value causes an element to generate a inline-level
-// flex container box.
-//
-// display: flex | inline-flex
-//
-// http://w3.org/tr/css3-flexbox/#flex-containers
-//
-// (Placeholder selectors for each type, for those who rather @extend)
-
-@mixin flexbox {
-  display: -webkit-box;
-  display: -webkit-flex;
-  display: -moz-flex;
-  display: -ms-flexbox;
-  display: flex;
-}
-
-%flexbox { @include flexbox; }
-
-//----------------------------------
-
-@mixin inline-flex {
-  display: -webkit-inline-box;
-  display: -webkit-inline-flex;
-  display: -moz-inline-flex;
-  display: -ms-inline-flexbox;
-  display: inline-flex;
-}
-
-%inline-flex { @include inline-flex; }
-
-//----------------------------------------------------------------------
-
-// Flexbox Direction
-//
-// The 'flex-direction' property specifies how flex items are placed in
-// the flex container, by setting the direction of the flex container's
-// main axis. This determines the direction that flex items are laid out in.
-//
-// Values: row | row-reverse | column | column-reverse
-// Default: row
-//
-// http://w3.org/tr/css3-flexbox/#flex-direction-property
-
-@mixin flex-direction($value: row) {
-  @if $value == row-reverse {
-    -webkit-box-direction: reverse;
-    -webkit-box-orient: horizontal;
-  } @else if $value == column {
-    -webkit-box-direction: normal;
-    -webkit-box-orient: vertical;
-  } @else if $value == column-reverse {
-    -webkit-box-direction: reverse;
-    -webkit-box-orient: vertical;
-  } @else {
-    -webkit-box-direction: normal;
-    -webkit-box-orient: horizontal;
-  }
-  -webkit-flex-direction: $value;
-  -moz-flex-direction: $value;
-  -ms-flex-direction: $value;
-  flex-direction: $value;
-}
-// Shorter version:
-@mixin flex-dir($args...) { @include flex-direction($args...); }
-
-//----------------------------------------------------------------------
-
-// Flexbox Wrap
-//
-// The 'flex-wrap' property controls whether the flex container is single-line
-// or multi-line, and the direction of the cross-axis, which determines
-// the direction new lines are stacked in.
-//
-// Values: nowrap | wrap | wrap-reverse
-// Default: nowrap
-//
-// http://w3.org/tr/css3-flexbox/#flex-wrap-property
-
-@mixin flex-wrap($value: nowrap) {
-  // No Webkit Box fallback.
-  -webkit-flex-wrap: $value;
-  -moz-flex-wrap: $value;
-  @if $value == nowrap {
-    -ms-flex-wrap: none;
-  } @else {
-    -ms-flex-wrap: $value;
-  }
-  flex-wrap: $value;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Flow (shorthand)
-//
-// The 'flex-flow' property is a shorthand for setting the 'flex-direction'
-// and 'flex-wrap' properties, which together define the flex container's
-// main and cross axes.
-//
-// Values: <flex-direction> | <flex-wrap>
-// Default: row nowrap
-//
-// http://w3.org/tr/css3-flexbox/#flex-flow-property
-
-@mixin flex-flow($values: (row nowrap)) {
-  // No Webkit Box fallback.
-  -webkit-flex-flow: $values;
-  -moz-flex-flow: $values;
-  -ms-flex-flow: $values;
-  flex-flow: $values;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Order
-//
-// The 'order' property controls the order in which flex items appear within
-// their flex container, by assigning them to ordinal groups.
-//
-// Default: 0
-//
-// http://w3.org/tr/css3-flexbox/#order-property
-
-@mixin order($int: 0) {
-  -ms-flex-order: $int;
-  -webkit-order: $int;
-  -moz-order: $int;
-  order: $int;
-  -webkit-box-ordinal-group: $int + 1;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Grow
-//
-// The 'flex-grow' property sets the flex grow factor. Negative numbers
-// are invalid.
-//
-// Default: 0
-//
-// http://w3.org/tr/css3-flexbox/#flex-grow-property
-
-@mixin flex-grow($int: 0) {
-  -webkit-box-flex: $int;
-  -webkit-flex-grow: $int;
-  -moz-flex-grow: $int;
-  -ms-flex-positive: $int;
-  flex-grow: $int;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Shrink
-//
-// The 'flex-shrink' property sets the flex shrink factor. Negative numbers
-// are invalid.
-//
-// Default: 1
-//
-// http://w3.org/tr/css3-flexbox/#flex-shrink-property
-
-@mixin flex-shrink($int: 1) {
-  -webkit-flex-shrink: $int;
-  -moz-flex-shrink: $int;
-  -ms-flex-negative: $int;
-  flex-shrink: $int;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Basis
-//
-// The 'flex-basis' property sets the flex basis. Negative lengths are invalid.
-//
-// Values: Like "width"
-// Default: auto
-//
-// http://www.w3.org/TR/css3-flexbox/#flex-basis-property
-
-@mixin flex-basis($value: auto) {
-  -webkit-flex-basis: $value;
-  -moz-flex-basis: $value;
-  -ms-flex-preferred-size: $value;
-  flex-basis: $value;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox "Flex" (shorthand)
-//
-// The 'flex' property specifies the components of a flexible length: the
-// flex grow factor and flex shrink factor, and the flex basis. When an
-// element is a flex item, 'flex' is consulted instead of the main size
-// property to determine the main size of the element. If an element is
-// not a flex item, 'flex' has no effect.
-//
-// Values: none | <flex-grow> <flex-shrink> || <flex-basis>
-// Default: See individual properties (1 1 0).
-//
-// http://w3.org/tr/css3-flexbox/#flex-property
-
-@mixin flex($fg: 1, $fs: null, $fb: null) {
-
-  // Set a variable to be used by box-flex properties
-  $fg-boxflex: $fg;
-
-  // Box-Flex only supports a flex-grow value so let's grab the
-  // first item in the list and just return that.
-  @if type-of($fg) == "list" {
-    $fg-boxflex: nth($fg, 1);
-  }
-
-  -webkit-box-flex: $fg-boxflex;
-  -webkit-flex: $fg $fs $fb;
-  -moz-box-flex: $fg-boxflex;
-  -moz-flex: $fg $fs $fb;
-  -ms-flex: $fg $fs $fb;
-  flex: $fg $fs $fb;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Justify Content
-//
-// The 'justify-content' property aligns flex items along the main axis
-// of the current line of the flex container. This is done after any flexible
-// lengths and any auto margins have been resolved. Typically it helps distribute
-// extra free space leftover when either all the flex items on a line are
-// inflexible, or are flexible but have reached their maximum size. It also
-// exerts some control over the alignment of items when they overflow the line.
-//
-// Note: 'space-*' values not supported in older syntaxes.
-//
-// Values: flex-start | flex-end | center | space-between | space-around
-// Default: flex-start
-//
-// http://w3.org/tr/css3-flexbox/#justify-content-property
-
-@mixin justify-content($value: flex-start) {
-  @if $value == flex-start {
-    -webkit-box-pack: start;
-    -ms-flex-pack: start;
-  } @else if $value == flex-end {
-    -webkit-box-pack: end;
-    -ms-flex-pack: end;
-  } @else if $value == space-between {
-    -webkit-box-pack: justify;
-    -ms-flex-pack: justify;
-  } @else if $value == space-around {
-    -ms-flex-pack: distribute;
-  } @else {
-    -webkit-box-pack: $value;
-    -ms-flex-pack: $value;
-  }
-  -webkit-justify-content: $value;
-  -moz-justify-content: $value;
-  justify-content: $value;
-}
-// Shorter version:
-@mixin flex-just($args...) { @include justify-content($args...); }
-
-//----------------------------------------------------------------------
-
-// Flexbox Align Items
-//
-// Flex items can be aligned in the cross axis of the current line of the
-// flex container, similar to 'justify-content' but in the perpendicular
-// direction. 'align-items' sets the default alignment for all of the flex
-// container's items, including anonymous flex items. 'align-self' allows
-// this default alignment to be overridden for individual flex items. (For
-// anonymous flex items, 'align-self' always matches the value of 'align-items'
-// on their associated flex container.)
-//
-// Values: flex-start | flex-end | center | baseline | stretch
-// Default: stretch
-//
-// http://w3.org/tr/css3-flexbox/#align-items-property
-
-@mixin align-items($value: stretch) {
-  @if $value == flex-start {
-    -webkit-box-align: start;
-    -ms-flex-align: start;
-  } @else if $value == flex-end {
-    -webkit-box-align: end;
-    -ms-flex-align: end;
-  } @else {
-    -webkit-box-align: $value;
-    -ms-flex-align: $value;
-  }
-  -webkit-align-items: $value;
-  -moz-align-items: $value;
-  align-items: $value;
-}
-
-//----------------------------------
-
-// Flexbox Align Self
-//
-// Values: auto | flex-start | flex-end | center | baseline | stretch
-// Default: auto
-
-@mixin align-self($value: auto) {
-  // No Webkit Box Fallback.
-  -webkit-align-self: $value;
-  -moz-align-self: $value;
-  @if $value == flex-start {
-    -ms-flex-item-align: start;
-  } @else if $value == flex-end {
-    -ms-flex-item-align: end;
-  } @else {
-    -ms-flex-item-align: $value;
-  }
-  align-self: $value;
-}
-
-//----------------------------------------------------------------------
-
-// Flexbox Align Content
-//
-// The 'align-content' property aligns a flex container's lines within the
-// flex container when there is extra space in the cross-axis, similar to
-// how 'justify-content' aligns individual items within the main-axis. Note,
-// this property has no effect when the flexbox has only a single line.
-//
-// Values: flex-start | flex-end | center | space-between | space-around | stretch
-// Default: stretch
-//
-// http://w3.org/tr/css3-flexbox/#align-content-property
-
-@mixin align-content($value: stretch) {
-  // No Webkit Box Fallback.
-  -webkit-align-content: $value;
-  -moz-align-content: $value;
-  @if $value == flex-start {
-    -ms-flex-line-pack: start;
-  } @else if $value == flex-end {
-    -ms-flex-line-pack: end;
-  } @else {
-    -ms-flex-line-pack: $value;
-  }
-  align-content: $value;
-}
diff --git a/_sass/common/classes/_grid.scss b/_sass/common/classes/_grid.scss
deleted file mode 100644
index 655c254..0000000
--- a/_sass/common/classes/_grid.scss
+++ /dev/null
@@ -1,80 +0,0 @@
-$grid-columns: 12;
-
-.grid-container {
-  @include overflow(hidden);
-}
-.cell {
-  min-width: 0;
-}
-
-@mixin make-cell($columns) {
-  @if $columns == "auto" {
-    @include flex(1 1 0);
-    width: auto;
-  } @else if $columns == "shrink" {
-    @include flex(0 0 auto);
-    width: auto;
-  } @else if $columns == "stretch" {
-    @include flex(1);
-  } @else {
-    @include flex(none);
-    width: percentage($columns / $grid-columns);
-  }
-}
-
-@mixin make-grid-cell($columns, $breakpoint) {
-  @include media-breakpoint-up($breakpoint) {
-    .cell--#{breakpoint-infix($breakpoint)}#{$columns} {
-      @include make-cell($columns);
-    }
-  }
-}
-
-.grid {
-  @include flexbox();
-  @include flex-wrap(wrap);
-  & > {
-    @each $breakpoint in map-keys($responsive) {
-      @for $i from 1 through $grid-columns {
-        @include make-grid-cell($i, $breakpoint);
-      }
-      @include make-grid-cell("auto", $breakpoint);
-      @include make-grid-cell("shrink", $breakpoint);
-      @include make-grid-cell("stretch", $breakpoint);
-    }
-  }
-}
-
-.grid--reverse {
-  flex-direction: row-reverse;
-}
-
-@mixin make-grid() {
-  $types: ("p");
-  $directions: ("x", "y", "");
-  $spacers: (0, 1, 2, 3, 4, 5);
-
-  @each $type in $types {
-    @each $direction in $directions {
-      @each $spacer in $spacers {
-        @if $direction == "" {
-          .grid--#{$type}-#{$spacer} {
-            @include make-spacing("m", "", $spacer, true);
-            .cell {
-              @include make-spacing($type, "", $spacer);
-            }
-          }
-        } @else {
-          .grid--#{$type}#{$direction}-#{$spacer} {
-            @include make-spacing("m", $direction, $spacer, true);
-            .cell {
-              @include make-spacing($type, $direction, $spacer);
-            }
-          }
-        }
-      }
-    }
-  }
-}
-
-@include make-grid();
diff --git a/_sass/common/classes/_horizontal-rules.scss b/_sass/common/classes/_horizontal-rules.scss
deleted file mode 100644
index 74882cf..0000000
--- a/_sass/common/classes/_horizontal-rules.scss
+++ /dev/null
@@ -1,14 +0,0 @@
-@mixin horizontal-rules() {
-  &::before {
-    display: block;
-    font-size: map-get($base, font-size-h2);
-    color: $text-color-l;
-    text-align: center;
-    letter-spacing: map-get($spacers, 4);
-    content: "...";
-  }
-}
-
-.horizontal-rules {
-  @include horizontal-rules();
-}
diff --git a/_sass/common/classes/_link.scss b/_sass/common/classes/_link.scss
deleted file mode 100644
index 5e0cb48..0000000
--- a/_sass/common/classes/_link.scss
+++ /dev/null
@@ -1,12 +0,0 @@
-@mixin link-colors($clr, $hover-clr: default, $active-clr: default, $focus-clr: null, $theme: default, $ignore-path: false) {
-  @include plain() {
-    text-decoration: none;
-  }
-  @include hover() {
-    text-decoration: underline;
-  }
-  @include active() {
-    text-decoration: none;
-  }
-  @include clickable($clr, null, $hover-clr, null, $active-clr, null, $focus-clr, null, $theme, $ignore-path);
-}
diff --git a/_sass/common/classes/_media.scss b/_sass/common/classes/_media.scss
deleted file mode 100644
index e17544e..0000000
--- a/_sass/common/classes/_media.scss
+++ /dev/null
@@ -1,17 +0,0 @@
-@mixin media-breakpoint-down($name, $breakpoints: default) {
-  @if $breakpoints == default {
-    $breakpoints: $responsive;
-  }
-  @media (max-width: map-get($breakpoints, $name) - 1) {
-    @content;
-  }
-}
-
-@mixin media-breakpoint-up($name, $breakpoints: default) {
-  @if $breakpoints == default {
-    $breakpoints: $responsive;
-  }
-  @media (min-width: map-get($breakpoints, $name)) {
-    @content;
-  }
-}
diff --git a/_sass/common/classes/_overflow.scss b/_sass/common/classes/_overflow.scss
deleted file mode 100644
index 6529bf0..0000000
--- a/_sass/common/classes/_overflow.scss
+++ /dev/null
@@ -1,26 +0,0 @@
-@mixin overflow($overflow: auto, $direction: default) {
-  @if $direction == default {
-    overflow: $overflow;
-  } @else if $direction == "x" {
-    @if $overflow == auto {
-      overflow: hidden;
-    }
-    overflow-x: $overflow;
-  } @else if $direction == "y" {
-    @if $overflow == auto {
-      overflow: hidden;
-    }
-    overflow-y: $overflow;
-  }
-  @if $overflow == auto {
-    -webkit-overflow-scrolling: touch;
-  }
-}
-
-.of-auto {
-  @include overflow(auto);
-}
-
-.of-hidden {
-  @include overflow(hidden);
-}
diff --git a/_sass/common/classes/_pseudo.scss b/_sass/common/classes/_pseudo.scss
deleted file mode 100644
index 53310a9..0000000
--- a/_sass/common/classes/_pseudo.scss
+++ /dev/null
@@ -1,33 +0,0 @@
-@mixin plain() {
-  &,
-  &:link,
-  &:visited {
-    @content;
-  }
-}
-
-@mixin hover() {
-  .root[data-is-touch="false"] &:hover {
-    @content;
-  }
-}
-
-@mixin active() {
-  .root[data-is-touch] &.active,
-  .root[data-is-touch] &:active {
-    @content;
-  }
-}
-
-@mixin focus() {
-  .root[data-is-touch] &.focus {
-    @content;
-  }
-}
-
-@mixin disabled() {
-  &.disabled,
-  &:disabled {
-    @content;
-  }
-}
diff --git a/_sass/common/classes/_shadow.scss b/_sass/common/classes/_shadow.scss
deleted file mode 100644
index e28b9ca..0000000
--- a/_sass/common/classes/_shadow.scss
+++ /dev/null
@@ -1,22 +0,0 @@
-@mixin box-shadow($level: default, $color: default) {
-  @if $color == default {
-    $color: #000;
-  }
-  @if $level == 0 {
-    box-shadow: none;
-  }
-  @if $level == 1 or $level == default {
-    box-shadow: 0 4px 8px rgba($color, .23), 0 1px 3px rgba($color, .08), 0 6px 12px rgba($color, .02);
-  }
-  @if $level == 2 {
-    box-shadow: 0 8px 16px rgba($color, .23), 0 2px 6px rgba($color, .08), 0 12px 24px rgba($color, .02);
-  }
-}
-
-.box-shadow-1 {
-  @include box-shadow();
-}
-
-.box-shadow-2 {
-  @include box-shadow(2);
-}
diff --git a/_sass/common/classes/_spacing.scss b/_sass/common/classes/_spacing.scss
deleted file mode 100644
index c07fdce..0000000
--- a/_sass/common/classes/_spacing.scss
+++ /dev/null
@@ -1,81 +0,0 @@
-@mixin make-spacing($property, $side, $spacer, $negative: false) {
-
-  $css_property: null;
-  $css_sides: null;
-
-  @if ($property == "m") {
-    $css_property: "margin";
-  } @else if ($property == "p") {
-    $css_property: "padding";
-  }
-
-  @if ($side == "t") {
-    $css_sides: ("top");
-  }
-  @else if ($side == "b") {
-    $css_sides: ("bottom");
-  }
-  @else if ($side == "l") {
-    $css_sides: ("left");
-  }
-  @else if ($side == "r") {
-    $css_sides: ("right");
-  }
-  @else if ($side == "x") {
-    $css_sides: ("left", "right");
-  }
-  @else if ($side == "y") {
-    $css_sides: ("top", "bottom");
-  }
-  @else if ($side == "") {
-    $css_sides: ("");
-  }
-
-  @each $side in $css_sides {
-    @if ($spacer == "auto") {
-      @if ($side == "") {
-        #{$css_property}: auto;
-      } @else {
-        #{$css_property}-#{$side}: auto;
-      }
-    } @else {
-      @if ($side == "") {
-        @if ($negative == true) {
-          #{$css_property}: - map-get($spacers, $spacer);
-        } @else {
-          #{$css_property}: map-get($spacers, $spacer);
-        }
-      } @else {
-        @if ($negative == true) {
-          #{$css_property}-#{$side}: - map-get($spacers, $spacer);
-        } @else {
-          #{$css_property}-#{$side}: map-get($spacers, $spacer);
-        }
-      }
-    }
-  }
-}
-
-@mixin make-spacings() {
-  $propertys: ("m", "p");
-  $sides: ("t", "b", "l", "r", "x", "y", "");
-  $spacers: (0, 1, 2, 3, 4, 5);
-
-  @each $property in $propertys {
-    @each $side in $sides {
-      @each $spacer in $spacers {
-        .#{$property}#{$side}-#{$spacer} {
-          @include make-spacing($property, $side, $spacer);
-        }
-      }
-    }
-  }
-
-  @each $side in $sides {
-    .m#{$side}-auto {
-      @include make-spacing("m", $side, "auto");
-    }
-  }
-}
-
-@include make-spacings();
diff --git a/_sass/common/classes/_split-line.scss b/_sass/common/classes/_split-line.scss
deleted file mode 100644
index 4434c6f..0000000
--- a/_sass/common/classes/_split-line.scss
+++ /dev/null
@@ -1,24 +0,0 @@
-@mixin split-line($direction: default, $width: default, $color: default) {
-  @if $direction == default {
-    $direction: top;
-  }
-  @if $color == default {
-    $color: $border-color-l;
-  }
-  @if $width == default {
-    $width: 1px;
-  }
-  border: 0 solid $color;
-  @if $direction == top {
-    border-top-width: $width;
-  }
-  @if $direction == right {
-    border-right-width: $width;
-  }
-  @if $direction == bottom {
-    border-bottom-width: $width;
-  }
-  @if $direction == left {
-    border-left-width: $width;
-  }
-}
diff --git a/_sass/common/classes/_text.scss b/_sass/common/classes/_text.scss
deleted file mode 100644
index ac36726..0000000
--- a/_sass/common/classes/_text.scss
+++ /dev/null
@@ -1,37 +0,0 @@
-@mixin text-light {
-  color: $text-color-theme-light;
-  h1, h2, h3 {
-    color: $text-color-theme-light-d;
-  }
-  h4, h5 {
-    color: $text-color-theme-light;
-  }
-  h6 {
-    color: $text-color-theme-light-l;
-  }
-  a:not(.button) {
-    @include link-colors($text-color-theme-light, $main-color-1);
-  }
-}
-@mixin text-dark {
-  color: $text-color-theme-dark;
-  h1, h2, h3 {
-    color: $text-color-theme-dark-d;
-  }
-  h4, h5 {
-    color: $text-color-theme-dark;
-  }
-  h6 {
-    color: $text-color-theme-dark-l;
-  }
-  a:not(.button) {
-    @include link-colors($text-color-theme-dark, $main-color-1);
-  }
-}
-
-.text--light {
-  @include text-light();
-}
-.text--dark {
-  @include text-dark();
-}
diff --git a/_sass/common/classes/_transform.scss b/_sass/common/classes/_transform.scss
deleted file mode 100644
index a552879..0000000
--- a/_sass/common/classes/_transform.scss
+++ /dev/null
@@ -1,4 +0,0 @@
-@mixin transform($value) {
-  -webkit-transform: $value;
-  transform: $value;
-}
diff --git a/_sass/common/classes/_transition.scss b/_sass/common/classes/_transition.scss
deleted file mode 100644
index abbe08b..0000000
--- a/_sass/common/classes/_transition.scss
+++ /dev/null
@@ -1,4 +0,0 @@
-@mixin transition($value) {
-  -webkit-transition: $value;
-  transition: $value;
-}
diff --git a/_sass/common/classes/_user-select.scss b/_sass/common/classes/_user-select.scss
deleted file mode 100644
index 104cbb5..0000000
--- a/_sass/common/classes/_user-select.scss
+++ /dev/null
@@ -1,6 +0,0 @@
-@mixin user-select($value) {
-  -webkit-user-select: $value;
-  -moz-user-select: $value;
-  -ms-user-select: $value;
-  user-select: $value;
-}
diff --git a/_sass/common/components/_button.scss b/_sass/common/components/_button.scss
deleted file mode 100644
index 08ce7a9..0000000
--- a/_sass/common/components/_button.scss
+++ /dev/null
@@ -1,163 +0,0 @@
-@mixin button() {
-  display: inline-block;
-  font-weight: map-get($button, font-weight);
-  line-height: 1 !important;
-  text-decoration: none !important;
-  cursor: pointer;
-  outline: none;
-  @include user-select(none);
-  svg {
-    width: 1rem;
-    height: 1rem;
-  }
-  @include disabled() {
-    cursor: not-allowed;
-  }
-}
-
-.button {
-  @include button();
-}
-
-.button--primary {
-  @include clickable($text-color-1, $main-color-1);
-}
-
-.button--secondary {
-  @include clickable($text-color-3, $main-color-3);
-}
-
-.button--success {
-  @include clickable($text-color-function, $green);
-}
-
-.button--info {
-  @include clickable($text-color-function, $blue);
-}
-
-.button--warning {
-  @include clickable($text-color-function, $yellow);
-}
-
-.button--error {
-  @include clickable($text-color-function, $red);
-}
-
-.button--theme-light {
-  @include clickable($text-color-theme-dark, $main-color-theme-light);
-}
-
-.button--theme-dark {
-  @include clickable($text-color-theme-light, $main-color-theme-dark);
-}
-
-.button--outline-primary {
-  color: $main-color-1;
-  border: 1px solid $main-color-1;
-  @include clickable($main-color-1, transparent, $text-color-1, $main-color-1);
-}
-
-.button--outline-secondary {
-  color: $main-color-3;
-  border: 1px solid $main-color-3;
-  @include clickable($main-color-3, transparent, $text-color-3, $main-color-3);
-}
-
-.button--outline-success {
-  color: $green;
-  border: 1px solid $green;
-  @include clickable($green, transparent, $text-color-function, $green);
-}
-
-.button--outline-info {
-  color: $blue;
-  border: 1px solid $blue;
-  @include clickable($blue, transparent, $text-color-function, $blue);
-}
-
-.button--outline-warning {
-  color: $yellow;
-  border: 1px solid $yellow;
-  @include clickable($yellow, transparent, $text-color-function, $yellow);
-}
-
-.button--outline-error {
-  color: $red;
-  border: 1px solid $red;
-  @include clickable($red, transparent, $text-color-function, $red);
-}
-
-.button--outline-theme-light {
-  color: $main-color-theme-light;
-  border: 1px solid $main-color-theme-light;
-  @include clickable($main-color-theme-light, transparent, $text-color-theme-dark, $main-color-theme-light);
-}
-
-.button--outline-theme-dark {
-  color: $main-color-theme-dark;
-  border: 1px solid $main-color-theme-dark;
-  @include clickable($main-color-theme-dark, transparent, $text-color-theme-light, $main-color-theme-dark);
-}
-
-.button--pill {
-  border-radius: map-get($button, pill-radius);
-  @extend .button--md;
-}
-
-.button--rounded {
-  border-radius: map-get($base, border-radius);
-  @extend .button--md;
-}
-
-.button--circle {
-  @include inline-flex();
-  @include justify-content(center);
-  @include align-items(center);
-  border-radius: 50%;
-  @extend .button--md;
-}
-
-.button--md {
-  padding: map-get($button, padding-y) map-get($button, padding-x);
-  font-size: map-get($base, font-size);
-  &.button--circle {
-    width: map-get($button, circle-diameter);
-    height: map-get($button, circle-diameter);
-  }
-}
-
-.button--xs {
-  padding: map-get($button, padding-y-xs) map-get($button, padding-x-xs);
-  font-size: map-get($base, font-size-xs);
-  &.button--circle {
-    width: map-get($button, circle-diameter-xs);
-    height: map-get($button, circle-diameter-xs);
-  }
-}
-
-.button--sm {
-  padding: map-get($button, padding-y-sm) map-get($button, padding-x-sm);
-  font-size: map-get($base, font-size-sm);
-  &.button--circle {
-    width: map-get($button, circle-diameter-sm);
-    height: map-get($button, circle-diameter-sm);
-  }
-}
-
-.button--lg {
-  padding: map-get($button, padding-y-lg) map-get($button, padding-x-lg);
-  font-size: map-get($base, font-size-lg);
-  &.button--circle {
-    width: map-get($button, circle-diameter-lg);
-    height: map-get($button, circle-diameter-lg);
-  }
-}
-
-.button--xl {
-  padding: map-get($button, padding-y-xl) map-get($button, padding-x-xl);
-  font-size: map-get($base, font-size-xl);
-  &.button--circle {
-    width: map-get($button, circle-diameter-xl);
-    height: map-get($button, circle-diameter-xl);
-  }
-}
diff --git a/_sass/common/components/_card.scss b/_sass/common/components/_card.scss
deleted file mode 100644
index 2431461..0000000
--- a/_sass/common/components/_card.scss
+++ /dev/null
@@ -1,103 +0,0 @@
-
-.card {
-  max-width: 18rem;
-  border-radius: map-get($base, border-radius);
-  @include box-shadow();
-  @include transition(box-shadow map-get($animation, duration) map-get($animation, timing-function));
-  & > :first-child {
-    border-top-left-radius: map-get($base, border-radius);
-    border-top-right-radius: map-get($base, border-radius);
-  }
-  & > :last-child {
-    border-bottom-right-radius: map-get($base, border-radius);
-    border-bottom-left-radius: map-get($base, border-radius);
-  }
-}
-
-.cell {
-  & > .card {
-    max-width: unset;
-  }
-}
-
-.card__content {
-  padding: map-get($spacers, 2) map-get($spacers, 3);
-}
-
-.card__header, .card__header > a {
-  @include link-colors($text-color-d, $main-color-1);
-}
-
-.card__image {
-  position: relative;
-  width: 100%;
-  & > img {
-    display: block;
-    width: 100%;
-    height: auto;
-    border-radius: inherit;
-  }
-  & > .overlay {
-    position: absolute;
-    width: 100%;
-    max-height: 100%;
-    padding: map-get($spacers, 2);
-    a {
-      text-decoration: none !important;
-    }
-  }
-  & > .overlay, & > .overlay--top {
-    top: 0;
-    bottom: auto;
-    border-top-left-radius: inherit;
-    border-top-right-radius: inherit;
-    border-bottom-right-radius: 0;
-    border-bottom-left-radius: 0;
-  }
-  & > .overlay--bottom {
-    top: auto;
-    bottom: 0;
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-    border-bottom-right-radius: inherit;
-    border-bottom-left-radius: inherit;
-  }
-  & > .overlay--full {
-    top: 0;
-    bottom: 0;
-  }
-  & > .overlay, & > .overlay--dark {
-    @extend .text--dark;
-    background-color: rgba(#000, .4);
-  }
-  & > .overlay--light {
-    @extend .text--light;
-    background: rgba(#fff, .4);
-  }
-}
-
-.card--clickable {
-  cursor: pointer;
-  @include hover() {
-    @include box-shadow(2);
-    .card__image {
-      & > img {
-        height: inherit;
-      }
-    }
-  }
-  @include transition(map-get($clickable, transition));
-}
-
-.card--flat {
-  @include box-shadow(0);
-  .card__image {
-    & > img {
-      border-radius: map-get($base, border-radius);
-    }
-  }
-  .card__content {
-    padding-top: 0;
-    padding-left: 0;
-  }
-}
diff --git a/_sass/common/components/_gallery.scss b/_sass/common/components/_gallery.scss
deleted file mode 100644
index 689eeae..0000000
--- a/_sass/common/components/_gallery.scss
+++ /dev/null
@@ -1,21 +0,0 @@
-.gallery {
-  height: 100%;
-  @include flexbox();
-  @include flex-direction(column);
-}
-
-.gallery__swiper {
-  @include flex(1);
-}
-
-.gallery-item {
-  @include flexbox();
-  @include align-items(center);
-  @include justify-content(center);
-  height: 100%;
-  overflow: hidden;
-}
-
-.gallery-item__main {
-  display: block;
-}
diff --git a/_sass/common/components/_hero.scss b/_sass/common/components/_hero.scss
deleted file mode 100644
index 81a72cc..0000000
--- a/_sass/common/components/_hero.scss
+++ /dev/null
@@ -1,70 +0,0 @@
-.hero {
-  background-position: 50% 50%;
-  @include flexbox();
-  @include flex-direction(column);
-  @include justify-content(center);
-  h1 { font-size: map-get($base, font-size-h1-xl); }
-  h2 { font-size: map-get($base, font-size-h2-xl); }
-  h3 { font-size: map-get($base, font-size-h3-xl); }
-  h4 { font-size: map-get($base, font-size-h4-xl); }
-  h5 { font-size: map-get($base, font-size-h5-xl); }
-  h6 { font-size: map-get($base, font-size-h6-xl); }
-  p  { font-size: map-get($base, font-size-xl); }
-  @include media-breakpoint-down(lg) {
-    h1 { font-size: map-get($base, font-size-h1-lg); }
-    h2 { font-size: map-get($base, font-size-h2-lg); }
-    h3 { font-size: map-get($base, font-size-h3-lg); }
-    h4 { font-size: map-get($base, font-size-h4-lg); }
-    h5 { font-size: map-get($base, font-size-h5-lg); }
-    h6 { font-size: map-get($base, font-size-h6-lg); }
-    p  { font-size: map-get($base, font-size-lg); }
-  }
-  @include media-breakpoint-down(md) {
-    h1 { font-size: map-get($base, font-size-h1-sm); }
-    h2 { font-size: map-get($base, font-size-h2-sm); }
-    h3 { font-size: map-get($base, font-size-h3-sm); }
-    h4 { font-size: map-get($base, font-size-h4-sm); }
-    h5 { font-size: map-get($base, font-size-h5-sm); }
-    h6 { font-size: map-get($base, font-size-h6-sm); }
-    p  { font-size: map-get($base, font-size); }
-  }
-  background-size: cover;
-
-}
-
-.hero--center {
-  text-align: center;
-  .menu {
-    @extend .menu--center;
-  }
-}
-
-.hero--light {
-  @extend .text--light;
-}
-
-.hero--dark {
-  @extend .text--dark;
-}
-
-.hero__content {
-  margin: map-get($spacers, 5);
-  @include media-breakpoint-down(lg) {
-    margin: map-get($spacers, 5) map-get($spacers, 4);
-  }
-  @include media-breakpoint-down(md) {
-    margin: map-get($spacers, 4) map-get($spacers, 3);
-  }
-}
-
-.heros {
-  & > .hero {
-    margin: map-get($spacers, 5);
-    @include media-breakpoint-down(lg) {
-      margin: map-get($spacers, 3);
-    }
-    @include media-breakpoint-down(md) {
-      margin: map-get($spacers, 2) 0;
-    }
-  }
-}
diff --git a/_sass/common/components/_image.scss b/_sass/common/components/_image.scss
deleted file mode 100644
index 9d1a220..0000000
--- a/_sass/common/components/_image.scss
+++ /dev/null
@@ -1,19 +0,0 @@
-.image {
-  max-width: 100%;
-  @extend .image--md;
-}
-.image--md {
-  width: map-get($image, width);
-}
-.image--xl {
-  width: map-get($image, width-xl);
-}
-.image--lg {
-  width: map-get($image, width-lg);
-}
-.image--sm {
-  width: map-get($image, width-sm);
-}
-.image--xs {
-  width: map-get($image, width-xs);
-}
diff --git a/_sass/common/components/_item.scss b/_sass/common/components/_item.scss
deleted file mode 100644
index a1a9fd0..0000000
--- a/_sass/common/components/_item.scss
+++ /dev/null
@@ -1,100 +0,0 @@
-.item {
-  @include flexbox();
-  @include media-breakpoint-down(md) {
-    @include flex-direction(column);
-  }
-}
-
-.item__image {
-  margin-right: map-get($spacers, 3);
-  & + .item__content {
-    & > :first-child {
-      margin-top: 0;
-      & > :first-child {
-        margin-top: 0;
-      }
-    }
-  }
-  @include media-breakpoint-down(md) {
-    margin-right: 0;
-  }
-}
-
-.item__content {
-  @include flex(1);
-  min-width: 0;
-}
-
-a > .item__header, a.item__header, .item__header > a {
-  @include link-colors($text-color-d, $main-color-1);
-}
-
-.item__meta {
-  color: $text-color-l;
-}
-
-.item__description {
-  &, .article__content {
-    font-size: map-get($base, font-size-sm);
-    line-height: map-get($base, line-height);
-    @include block-elements() {
-      margin-top: map-get($spacers, 2);
-      margin-bottom: map-get($spacers, 2);
-    }
-    @include heading-elements() {
-      margin-top: map-get($spacers, 3);
-    }
-    h1, h2, h3 {
-      color: $text-color;
-    }
-    h1, h2 {
-      padding: 0;
-      border: none;
-    }
-    h1 {
-      font-size: map-get($base, font-size-h1-xs);
-    }
-    h2 {
-      font-size: map-get($base, font-size-h2-xs);
-    }
-    h3 {
-      font-size: map-get($base, font-size-h3-xs);
-    }
-    h4 {
-      font-size: map-get($base, font-size-h4-xs);
-    }
-    h5 {
-      font-size: map-get($base, font-size-h5-xs);
-    }
-    h6 {
-      font-size: map-get($base, font-size-h6-xs);
-    }
-    img {
-      max-height: 32rem;
-      @include media-breakpoint-down(md) {
-        max-height: 14rem;
-      }
-    }
-  }
-}
-
-.items {
-  & > .item {
-    &:not(:last-child) {
-      margin-bottom: map-get($spacers, 2);
-    }
-  }
-}
-
-.items--divided {
-  & > .item {
-    &:not(:first-child) {
-      padding-top: map-get($spacers, 4);
-    }
-    &:not(:last-child) {
-      padding-bottom: map-get($spacers, 4);
-      @include split-line(bottom);
-    }
-    list-style-type: none;
-  }
-}
diff --git a/_sass/common/components/_menu.scss b/_sass/common/components/_menu.scss
deleted file mode 100644
index 222676a..0000000
--- a/_sass/common/components/_menu.scss
+++ /dev/null
@@ -1,67 +0,0 @@
-@mixin menu-direction($direction: default) {
-  @if $direction == default {
-    $direction: "horizontal";
-  }
-  @if $direction == "vertical" {
-    @include flex-direction(column);
-  } @else {
-    @include flex-direction(row);
-  }
-}
-
-@mixin menu($horizontal-spacer: default, $horizontal-item-vertical-spacer: default, $wrap: default) {
-  @if $horizontal-spacer == default {
-    $horizontal-spacer: map-get($menu, horizontal-spacer);
-  }
-  @if $horizontal-item-vertical-spacer == default {
-    $horizontal-item-vertical-spacer: map-get($menu, horizontal-item-vertical-spacer);
-  }
-  @if $wrap == default {
-    $wrap: wrap;
-  }
-  @include flexbox();
-  @include flex-wrap($wrap);
-  margin-top: 0;
-  margin-bottom: 0;
-  & > li {
-    @if $horizontal-item-vertical-spacer {
-      margin-top: map-get($spacers, $horizontal-item-vertical-spacer);
-      margin-bottom: map-get($spacers, $horizontal-item-vertical-spacer);
-    }
-    margin-right: map-get($spacers, $horizontal-spacer);
-    list-style-type: none;
-    &:last-child {
-      margin-right: 0;
-    }
-  }
-}
-
-.menu {
-  @include menu();
-  @include menu-direction();
-  @include align-items(center);
-}
-
-.menu--vertical {
-  @include menu-direction("vertical");
-  @include align-items(normal);
-  & > li {
-    margin-right: 0;
-  }
-}
-
-.menu--inline {
-  @include inline-flex();
-}
-
-.menu--center {
-  @include justify-content(center);
-}
-
-.menu--nowrap {
-  @include flex-wrap(nowrap);
-}
-
-.menu--grow {
-  @include flex-grow(1);
-}
diff --git a/_sass/common/components/_modal.scss b/_sass/common/components/_modal.scss
deleted file mode 100644
index cd71628..0000000
--- a/_sass/common/components/_modal.scss
+++ /dev/null
@@ -1,39 +0,0 @@
-@mixin modal($z-index: default, $color: default, $background-color: default) {
-  @if $z-index == default {
-    $z-index: map-get($z-indexes, modal);
-  }
-  @if $color == default {
-    $color: $text-color-theme-dark;
-  }
-  @if $background-color == default {
-    $background-color: $mask-color;
-  }
-  position: fixed;
-  top: 0;
-  left: 0;
-  z-index: $z-index;
-  width: 100%;
-  height: 100%;
-  color: $color;
-  touch-action: none;
-  background-color: $background-color;
-  opacity: 0;
-  @include transform(translate(100%, 0));
-  @include transition(#{opacity map-get($animation, duration) map-get($animation, timing-function),
-  transform 0s map-get($animation, duration) map-get($animation, timing-function)});
-}
-@mixin modal--show() {
-  opacity: 1;
-  @include transform(translate(0, 0));
-  @include transition(#{opacity map-get($animation, duration) map-get($animation, timing-function)});
-}
-
-.modal {
-  @include modal();
-}
-.modal--show {
-  @include modal--show();
-}
-.modal--overflow {
-  @include overflow(auto);
-}
diff --git a/_sass/common/components/_swiper.scss b/_sass/common/components/_swiper.scss
deleted file mode 100644
index 3493a62..0000000
--- a/_sass/common/components/_swiper.scss
+++ /dev/null
@@ -1,48 +0,0 @@
-.swiper {
-  position: relative;
-  @include overflow(hidden);
-}
-
-.swiper__wrapper, .swiper__slide {
-  width: 100%;
-  height: 100%;
-}
-
-.swiper__wrapper {
-  @include flexbox();
-}
-
-.swiper__wrapper--animation {
-  @include transition(transform map-get($animation, duration) map-get($animation, timing-function));
-}
-
-.swiper__slide {
-  @include flex-shrink(0);
-  & > img {
-    max-width: 100%;
-  }
-}
-
-.swiper__button {
-  position: absolute;
-  top: 50%;
-  @extend .button, .button--circle;
-  @include transform(translate(0, -50%));
-  @include clickable($text-color-d, rgba($main-color-3, .4));
-}
-
-.swiper--light .swiper__button {
-  @include clickable($text-color-theme-light, rgba($main-color-theme-dark, .4));
-}
-
-.swiper--dark .swiper__button {
-  @include clickable($text-color-theme-dark, rgba($main-color-theme-light, .4));
-}
-
-.swiper__button--prev {
-  left: 10px;
-}
-
-.swiper__button--next {
-  right: 10px;
-}
diff --git a/_sass/common/components/_toc.scss b/_sass/common/components/_toc.scss
deleted file mode 100644
index 9fd1421..0000000
--- a/_sass/common/components/_toc.scss
+++ /dev/null
@@ -1,124 +0,0 @@
-ul.toc {
-  display: block;
-  margin: 0;
-  color: $text-color;
-  list-style-type: none;
-  & > li {
-    margin: map-get($spacers, 1) / 2 0;
-    a {
-      display: inline-block;
-      margin: map-get($spacers, 1) / 4 0;
-      text-decoration: none !important;
-    }
-  }
-  .toc-h1,
-  .toc-h2,
-  .toc-h3,
-  .toc-h4,
-  .toc-h5,
-  .toc-h6 {
-    a {
-      @include link-colors($text-color, $main-color-1);
-    }
-    &.active {
-      a {
-        @include link-colors($main-color-1);
-      }
-    }
-  }
-
-  .toc-h2,
-  .toc-h3,
-  .toc-h4,
-  .toc-h5,
-  .toc-h6 {
-    &, a {
-      font-size: map-get($base, font-size-xs);
-      font-weight: map-get($base, font-weight);
-      line-height: map-get($base, line-height-xs);
-    }
-  }
-  .toc-h1 {
-    @include split-line(bottom);
-    padding: map-get($spacers, 2) 0 map-get($spacers, 1) 0;
-    margin-bottom: map-get($spacers, 2);
-    color: $text-color-d;
-    &, a {
-      font-size: map-get($base, font-size-sm);
-      font-weight: map-get($base, font-weight-bold);
-      line-height: map-get($base, line-height-sm);
-    }
-    a {
-      @include link-colors($text-color-d, $main-color-1);
-    }
-  }
-  .toc-h2 {
-    &, a {
-      font-weight: map-get($base, font-weight-bold);
-    }
-  }
-  .toc-h3 {
-    margin-left: map-get($spacers, 3);
-  }
-  .toc-h4 {
-    margin-left: map-get($spacers, 3) * 2;
-  }
-  .toc-h5,
-  .toc-h6 {
-    margin-left: map-get($spacers, 3) * 3;
-  }
-  .toc-h6 {
-    color: $text-color-l;
-    a {
-      @include link-colors($text-color-l, $main-color-1);
-    }
-  }
-}
-
-ul.toc--ellipsis {
-  & > li {
-    @include overflow(hidden);
-    text-overflow: ellipsis;
-    white-space: nowrap;
-  }
-}
-
-ul.toc--navigator {
-  & > li {
-    a {
-      padding-left: map-get($spacers, 2);
-      margin: map-get($spacers, 1) 0;
-    }
-    &.active {
-      a {
-        margin-left: -4px;
-        @include split-line(left, 4px, $main-color-1);
-      }
-    }
-  }
-  .toc-h2,
-  .toc-h3,
-  .toc-h4 {
-    color: $text-color-l;
-    a {
-      @include link-colors($text-color-l);
-    }
-  }
-  .toc-h1 {
-    &, a {
-      font-size: map-get($base, font-size);
-      line-height: map-get($base, line-height);
-    }
-    color: $text-color;
-    a {
-      @include link-colors($text-color-d);
-    }
-  }
-  .toc-h2 {
-    &, a {
-      font-size: map-get($base, font-size-sm);
-      font-weight: map-get($base, font-weight-bold);
-      line-height: map-get($base, line-height-sm);
-    }
-  }
-}
diff --git a/_sass/components/_article-content.scss b/_sass/components/_article-content.scss
deleted file mode 100644
index 6dbda0d..0000000
--- a/_sass/components/_article-content.scss
+++ /dev/null
@@ -1,221 +0,0 @@
-.article__content {
-  line-height: map-get($base, line-height-lg);
-  word-wrap: break-word;
-  @media print {
-    line-height: map-get($base, line-height);
-  }
-  @include block-elements() {
-    margin: map-get($spacers, 3) 0;
-    @media print {
-      margin: map-get($spacers, 2) 0;
-    }
-  }
-  @include heading-elements() {
-    position: relative;
-    margin-top: map-get($spacers, 4);
-    @media print {
-      margin-top: map-get($spacers, 3);
-    }
-    & > .anchor {
-      @include link-colors($border-color, $main-color-1);
-      margin-left: map-get($spacers, 1);
-      text-decoration: none;
-      visibility: hidden;
-      opacity: 0;
-      & > i {
-        font-size: map-get($base, font-size-sm);
-      }
-    }
-    @include hover() {
-      & > .anchor {
-        cursor: pointer;
-        visibility: visible;
-        opacity: 1;
-      }
-    }
-  }
-  h1,
-  h2 {
-    @include split-line(bottom);
-  }
-  hr {
-    border: none;
-    @include horizontal-rules();
-  }
-  blockquote {
-    padding-left: map-get($spacers, 3);
-    font-size: map-get($base, font-size-sm);
-    color: $text-color-l;
-    @include split-line(left, 4px, $border-color);
-    p {
-      margin: map-get($spacers, 2) 0;
-    }
-    & > :last-child {
-      margin-bottom: 0;
-    }
-  }
-  img:not(.emoji) {
-    max-width: 100%;
-    vertical-align: middle;
-  }
-  .emoji {
-    display: inline-block;
-    width: map-get($base, line-height-lg) * .7rem;
-    height: map-get($base, line-height-lg) * .7rem;
-    vertical-align: text-bottom;
-  }
-  .footnotes {
-    @include split-line();
-    margin-top: map-get($spacers, 5);
-    @media print {
-      margin-top: map-get($spacers, 2) * 2;
-    }
-  }
-  code {
-    padding: map-get($spacers, 1) map-get($spacers, 2);
-    background-color: $text-background-color;
-    border-radius: map-get($base, border-radius);
-    span {
-      padding: 0;
-      margin: 0;
-    }
-  }
-  pre {
-    @include overflow(auto);
-    & > code {
-      padding: 0;
-      word-wrap: normal;
-      background-color: transparent;
-      &.language-mermaid, &.language-chart {
-        svg {
-          width: 100%;
-        }
-        display: none;
-        &[data-processed] {
-          display: block;
-        }
-      }
-    }
-  }
-  .highlighter-rouge > .highlight, figure.highlight {
-    & > pre {
-      padding: map-get($spacers, 3) 0 map-get($spacers, 3) map-get($spacers, 3);
-      margin: 0;
-      background-color: $text-background-color;
-      border-radius: map-get($base, border-radius);
-      & > code {
-        display: block;
-      }
-    }
-  }
-  figure.highlight {
-    &::before {
-      display: block;
-      padding: map-get($spacers, 2) map-get($spacers, 3) map-get($spacers, 2) 0;
-      font-weight: map-get($base, font-weight-bold);
-      color: $decorate-color;
-      text-align: right;
-      text-transform: uppercase;
-      content: attr(data-lang);
-      background-color: $text-background-color;
-      border-top-left-radius: map-get($base, border-radius);
-      border-top-right-radius: map-get($base, border-radius);
-    }
-    & > pre {
-      padding-top: 0;
-      border-top-left-radius: 0;
-      border-top-right-radius: 0;
-      & > code {
-        & > .rouge-table {
-          width: auto;
-          margin: 0 0 #{- map-get($spacers, 3)} #{- map-get($spacers, 3)};
-          tbody, tr, td {
-            padding-top: 0;
-            padding-bottom: 0;
-            border: none;
-          }
-          & > tbody {
-            @include flexbox;
-            & > tr {
-              width: 100%;
-              @include flexbox;
-              & > .code {
-                padding: 0 0 map-get($spacers, 3) map-get($spacers, 2);
-                @include overflow(auto);
-              }
-            }
-          }
-          tbody td {
-            &.gl {
-              padding-left: map-get($spacers, 3);
-            }
-            & > pre {
-              display: block;
-              margin: 0;
-              border-radius: 0;
-              @include overflow(auto);
-              &.lineno {
-                color: $text-color-l;
-                @include user-select(none);
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-  ul, ol {
-    margin-left: map-get($spacers, 4);
-    ul, ol {
-      margin-top: 0;
-      margin-bottom: 0;
-    }
-    li {
-      p {
-        margin: map-get($spacers, 2);
-        @media print {
-          margin: map-get($spacers, 1);
-        }
-      }
-    }
-  }
-  dl {
-    dt, dd {
-      p {
-        margin: map-get($spacers, 2);
-        @media print {
-          margin: map-get($spacers, 1);
-        }
-      }
-    }
-    dt {
-      font-weight: map-get($base, font-weight-bold);
-    }
-    dd {
-      margin-left: 2rem;
-    }
-  }
-  ul.task-list {
-    margin-left: 0;
-    list-style-type: none;
-    ul, ol {
-      margin-left: map-get($spacers, 4);
-    }
-  }
-  table {
-    display: block;
-    width: 100%;
-    border-collapse: collapse;
-    @include overflow(auto);
-    thead, tfoot {
-      background-color: $text-background-color;
-    }
-    th, td {
-      padding: map-get($spacers, 2);
-      border: 1px solid $border-color-l;
-    }
-    th {
-      font-weight: map-get($base, font-weight-bold);
-    }
-  }
-}
diff --git a/_sass/components/_article-footer.scss b/_sass/components/_article-footer.scss
deleted file mode 100644
index 575bc8d..0000000
--- a/_sass/components/_article-footer.scss
+++ /dev/null
@@ -1,17 +0,0 @@
-.article__footer {
-  margin: map-get($spacers, 4) 0;
-  font-size: map-get($base, font-size-sm);
-}
-
-.article__license, .article__subscribe {
-  a {
-    @include link-colors($text-color, $main-color-1);
-  }
-}
-
-.article__license {
-  color: $text-color-l;
-  img {
-    height: map-get($base, font-size) * 1.6;
-  }
-}
diff --git a/_sass/components/_article-header.scss b/_sass/components/_article-header.scss
deleted file mode 100644
index 002cc8c..0000000
--- a/_sass/components/_article-header.scss
+++ /dev/null
@@ -1,50 +0,0 @@
-.article__header {
-  margin-top: map-get($spacers, 5);
-  margin-bottom: map-get($spacers, 4);
-  @include media-breakpoint-down(md) {
-    margin-top: map-get($spacers, 4);
-  }
-  header, h1 {
-    display: inline;
-  }
-  h1 {
-    word-wrap: break-word;
-  }
-  .split-space {
-    @include user-select(none);
-  }
-  .edit-on-github {
-    text-decoration: none !important;
-  }
-}
-
-.article__header--overlay {
-  .overlay {
-    min-height: 36rem;
-    padding-top: map-get($spacers, 5) * 2;
-    padding-bottom: map-get($spacers, 5) * 2;
-    @include media-breakpoint-down(md) {
-      min-height: 29rem;
-      padding-top: map-get($spacers, 5);
-      padding-bottom: map-get($spacers, 5);
-    }
-  }
-  .overlay__excerpt {
-    font-size: map-get($base, font-size-h3-xl);
-    @include media-breakpoint-down(lg) {
-      font-size: map-get($base, font-size-h3-lg);
-    }
-    @include media-breakpoint-down(md) {
-      font-size: map-get($base, font-size-h3-sm);
-    }
-    font-weight: map-get($base, font-weight-bold);
-  }
-
-  .article__header {
-    margin-top: 0;
-  }
-}
-
-.article__header--cover {
-  width: 100%;
-}
diff --git a/_sass/components/_article-info.scss b/_sass/components/_article-info.scss
deleted file mode 100644
index bebf9b5..0000000
--- a/_sass/components/_article-info.scss
+++ /dev/null
@@ -1,25 +0,0 @@
-.article__info {
-  font-size: map-get($base, font-size-sm);
-  color: $text-color-l;
-  .left-col {
-    float: left;
-    @include media-breakpoint-down(md) {
-      float: none;
-    }
-  }
-  .right-col {
-    float: right;
-    margin-left: map-get($button, padding-x-sm);
-    @include media-breakpoint-down(md) {
-      float: none;
-    }
-    & > li {
-      &:not(:last-child) {
-        @include split-line(right, default, $text-color-l);
-        padding-right: map-get($spacers, 2);
-        margin-right: map-get($spacers, 2);
-        line-height: map-get($base, line-height-xs);
-      }
-    }
-  }
-}
diff --git a/_sass/components/_article-list.scss b/_sass/components/_article-list.scss
deleted file mode 100644
index c59550d..0000000
--- a/_sass/components/_article-list.scss
+++ /dev/null
@@ -1,18 +0,0 @@
-.article-list {
-  .item__meta {
-    padding: 0 map-get($spacers, 3) 0 0;
-    font-family: map-get($base, font-family-code);
-    font-size: map-get($base, font-size-sm);
-    white-space: nowrap;
-  }
-  &.grid--sm {
-    .card__header {
-      overflow: hidden;
-      text-overflow: ellipsis;
-      white-space: nowrap;
-    }
-  }
-}
-.article-list__group-header {
-  margin-top: map-get($spacers, 3);
-}
diff --git a/_sass/components/_author-links.scss b/_sass/components/_author-links.scss
deleted file mode 100644
index efe09c2..0000000
--- a/_sass/components/_author-links.scss
+++ /dev/null
@@ -1,43 +0,0 @@
-.author-links {
-  & > ul {
-    margin: 0;
-    & > li > {
-      .mail-button {
-        @include clickable($text-color-1, $mail-color);
-      }
-      .facebook-button {
-        @include clickable($text-color-1, $facebook-color);
-      }
-      .twitter-button {
-        @include clickable($text-color-1, $twitter-color);
-      }
-      .weibo-button {
-        @include clickable($text-color-1, $weibo-color);
-      }
-      .googlepluse-button {
-        @include clickable($text-color-1, $google-plus-color);
-      }
-      .telegram-button {
-        @include clickable($text-color-1, $telegram-color);
-      }
-      .medium-button {
-        @include clickable($text-color-1, $medium-color);
-      }
-      .zhihu-button {
-        @include clickable($text-color-1, $zhihu-color);
-      }
-      .douban-button {
-        @include clickable($text-color-1, $douban-color);
-      }
-      .linkedin-button {
-        @include clickable($text-color-1, $linkedin-color);
-      }
-      .github-button {
-        @include clickable($text-color-1, $github-color);
-      }
-      .npm-button {
-        @include clickable($text-color-1, $npm-color);
-      }
-    }
-  }
-}
diff --git a/_sass/components/_author-profile.scss b/_sass/components/_author-profile.scss
deleted file mode 100644
index b506715..0000000
--- a/_sass/components/_author-profile.scss
+++ /dev/null
@@ -1,26 +0,0 @@
-.author-profile {
-  max-width: 25rem;
-  padding: map-get($spacers, 2) map-get($spacers, 3);
-  margin: map-get($spacers, 4) 0;
-  font-size: map-get($base, font-size-sm);
-  background-color: $text-background-color;
-  @include media-breakpoint-down(md) {
-    text-align: center;
-  }
-}
-.author-profile__avatar {
-  width: 5rem;
-  height: 5rem;
-  margin-top: map-get($spacers, 2);
-  border-radius: 50%;
-}
-.author-profile__name {
-  font-size: map-get($base, font-size-lg);
-  font-weight: map-get($base, font-weight-bold);
-  a {
-    @include link-colors($text-color, $main-color-1);
-  }
-}
-.author-profile__links {
-  @include overflow(auto);
-}
diff --git a/_sass/components/_extensions.scss b/_sass/components/_extensions.scss
deleted file mode 100644
index 7c83f75..0000000
--- a/_sass/components/_extensions.scss
+++ /dev/null
@@ -1,35 +0,0 @@
-.extensions {
-  margin: map-get($spacers, 3) 0;
-  @extend .d-print-none;
-}
-
-.extensions--video, .extensions--slide, .extensions--demo {
-  position: relative;
-  width: 100%;
-  padding: 0;
-  & > iframe {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-  }
-}
-
-.extensions--video {
-  padding-top: percentage(315 / 560);
-}
-
-.extensions--slide {
-  padding-top: percentage(487 / 599);
-}
-
-.extensions--demo {
-  min-height: 340px;
-  padding-top: percentage(315 / 560);
-}
-
-.extensions--audio {
-  display: block;
-  max-width: 100% !important;
-}
diff --git a/_sass/components/_footer.scss b/_sass/components/_footer.scss
deleted file mode 100644
index 63ed8fe..0000000
--- a/_sass/components/_footer.scss
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * Site Info
- */
-
-.footer {
-  @include flexbox();
-  @include align-items(center);
-  color: $footer-text-color;
-  background: $footer-background;
-  a {
-    @include link-colors ($footer-text-color, $main-color-1);
-  }
-  .site-info {
-    font-size: map-get($base, font-size-xs);
-    text-align: center;
-    .menu {
-      line-height: map-get($base, line-height-xs);
-      & > * {
-        &:not(:last-child) {
-          @include split-line(right, default, $footer-text-color);
-          padding-right: map-get($spacers, 1);
-          margin-right: map-get($spacers, 1);
-        }
-      }
-    }
-  }
-}
-.footer__author-links {
-  @include overflow(auto);
-  .author-links {
-    text-align: center;
-  }
-}
diff --git a/_sass/components/_header.scss b/_sass/components/_header.scss
deleted file mode 100644
index 44d108d..0000000
--- a/_sass/components/_header.scss
+++ /dev/null
@@ -1,123 +0,0 @@
-.header {
-  background: $header-background;
-  a {
-    font-weight: map-get($base, font-weight);
-    text-decoration: none !important;
-    @include link-colors($header-text-color, $main-color-1);
-  }
-  .main {
-    @include flexbox();
-    @include media-breakpoint-down(md) {
-      @include flex-direction(column);
-    }
-  }
-}
-
-.header--dark {
-  @extend .text--dark;
-  background: rgba(#000, .15);
-  .navigation__item--active {
-    &::after {
-      @include split-line(bottom, 4px, $text-color-theme-dark);
-    }
-  }
-}
-
-.header--light {
-  @extend .text--light;
-  background: rgba(#fff, .15);
-  .navigation__item--active {
-    &::after {
-      @include split-line(bottom, 4px, $text-color-theme-light);
-    }
-  }
-}
-
-.header__title {
-  @include menu(3, 0);
-  @include align-items(center);
-  @include flex-wrap(nowrap);
-  @include flex(1);
-  height: map-get($layout, header-height);
-  margin-right: map-get($spacers, 3);
-  white-space: nowrap;
-  @include media-breakpoint-down(md) {
-    height: auto;
-    margin-right: 0;
-  }
-  & > .header__brand {
-    @include flex(1);
-    @include media-breakpoint-down(md) {
-      height: map-get($layout, header-height-sm);
-    }
-  }
-  & > .search-button {
-    display: none;
-    margin-left: map-get($spacers, 2);
-    @include media-breakpoint-down(md) {
-      @include flexbox();
-    }
-  }
-}
-
-.header__brand {
-  @include flexbox();
-  @include align-items(center);
-  & > svg {
-    width: map-get($base, font-size-h4) * 1.6;
-    height: map-get($base, font-size-h4) * 1.6;
-    margin-right: map-get($spacers, 3);
-    vertical-align: middle;
-    @include media-breakpoint-down(md) {
-      width: map-get($base, font-size-h4) * 1.2;
-      height: map-get($base, font-size-h4) * 1.2;
-    }
-  }
-  & > a {
-    display: inline-block;
-    font-size: map-get($base, font-size-h4);
-    @include media-breakpoint-down(md) {
-      font-size: map-get($base, font-size-h4-small);
-    }
-  }
-}
-
-.navigation {
-  @include overflow(auto, "x");
-  & > ul {
-    height: map-get($layout, header-height);
-    padding-bottom: 0;
-    margin: 0;
-    @include media-breakpoint-down(md) {
-      padding-bottom: 4px;
-      margin: -4px 0 0 0;
-    }
-    @include menu(3, 2, nowrap);
-    @include align-items(center);
-    @include media-breakpoint-down(md) {
-      height: auto;
-    }
-    .search-button {
-      @include media-breakpoint-down(md) {
-        display: none;
-      }
-    }
-  }
-}
-
-.navigation__item {
-  &::after {
-    display: block;
-    margin-bottom: -4px;
-    content: "";
-    @include split-line(bottom, 4px, transparent);
-  }
-}
-.navigation__item--active {
-  a {
-    @include link-colors($main-color-1, $main-color-1);
-  }
-  &::after {
-    @include split-line(bottom, 4px, $main-color-1);
-  }
-}
diff --git a/_sass/components/_lightbox.scss b/_sass/components/_lightbox.scss
deleted file mode 100644
index 4dad32b..0000000
--- a/_sass/components/_lightbox.scss
+++ /dev/null
@@ -1,7 +0,0 @@
-.popup-image {
-  cursor: pointer;
-  @include hover() {
-    @include box-shadow(2);
-  }
-  @include transition(map-get($clickable, transition));
-}
diff --git a/_sass/components/_main.scss b/_sass/components/_main.scss
deleted file mode 100644
index 265c727..0000000
--- a/_sass/components/_main.scss
+++ /dev/null
@@ -1,28 +0,0 @@
-.main {
-  width: 100%;
-  max-width: map-get($layout, content-max-width);
-  padding: 0 map-get($spacers, 5);
-  margin: 0 auto;
-  @include media-breakpoint-down(lg) {
-    padding: 0 map-get($spacers, 4);
-  }
-  @include media-breakpoint-down(md) {
-    padding: 0 map-get($spacers, 3);
-  }
-}
-
-.has-aside {
-  .main {
-    max-width: map-get($layout, content-max-width) + map-get($layout, aside-width);
-    @include media-breakpoint-down(lg) {
-      max-width: map-get($layout, content-max-width);
-    }
-  }
-}
-
-.full-width {
-  .main {
-    width: 100%;
-    max-width: 100%;
-  }
-}
diff --git a/_sass/components/_search.scss b/_sass/components/_search.scss
deleted file mode 100644
index d28dabc..0000000
--- a/_sass/components/_search.scss
+++ /dev/null
@@ -1,186 +0,0 @@
-.search {
-  @include overflow(auto);
-
-}
-.search--google-custom-search-engine {
-  .main {
-    padding-top: map-get($spacers, 4);
-    padding-bottom: map-get($spacers, 4);
-    @include media-breakpoint-down(md) {
-      position: absolute;
-      padding: 0;
-    }
-  }
-}
-
-.search__header {
-  margin-top: map-get($spacers, 4);
-  font-size: map-get($base, font-size-h1);
-  font-weight: map-get($base, font-weight-bold);
-  color: $text-color-d;
-  .search--light & {
-    color: $text-color-theme-light-d;
-  }
-  .search--dark & {
-    color: $text-color-theme-dark-d;
-  }
-  @include media-breakpoint-down(md) {
-    display: none;
-  }
-}
-
-.search-bar {
-  @include flexbox();
-  margin: map-get($spacers, 3) 0 map-get($spacers, 4) 0;
-}
-
-.search-box {
-  position: relative;
-  width: 100%;
-  max-width: 22rem;
-  @include media-breakpoint-down(md) {
-    width: 100%;
-    max-width: none;
-  }
-  & > input {
-    display: inline-block;
-    width: 100%;
-    height: $button-height-lg;
-    padding: 0 2rem;
-    margin: 0;
-    line-height: 1 !important;
-    color: $text-color;
-    background-color: transparent;
-    border: 2px solid $border-color;
-    border-radius: map-get($button, pill-radius);
-    -webkit-appearance: none; /* fix iOS don't display box-shadow properly */
-    @include transition(box-shadow map-get($animation, duration) map-get($animation, timing-function));
-    @include focus {
-      box-shadow: 0 0 0 2px rgba($border-color, .4);
-    }
-    .search--light & {
-      color: $text-color-theme-light;
-      border-color: $text-color-theme-light;
-      @include focus {
-        box-shadow: 0 0 0 2px rgba($text-color-theme-light, .4);
-      }
-    }
-    .search--dark & {
-      color: $text-color-theme-dark;
-      border-color: $text-color-theme-dark;
-      @include focus {
-        box-shadow: 0 0 0 2px rgba($text-color-theme-dark, .4);
-      }
-    }
-  }
-  & > .search-box__icon-search {
-    color: $text-color-l;
-    .search--light & {
-      color: $text-color-theme-light-l;
-    }
-    .search--dark & {
-      color: $text-color-theme-dark-l;
-    }
-  }
-  & > .search-box__icon-clear {
-    & > a {
-      @include link-colors($text-color);
-      .search--light & {
-        @include link-colors($text-color-theme-light);
-      }
-      .search--dark & {
-        @include link-colors($text-color-theme-dark);
-      }
-      cursor: pointer;
-    }
-  }
-  & > .search-box__icon-search, & > .search-box__icon-clear {
-    position: absolute;
-    width: $button-height-lg;
-    height: $button-height-lg;
-    line-height: $button-height-lg;
-    text-align: center;
-    vertical-align: middle;
-  }
-  &.not-empty > .search-box__icon-clear {
-    display: block;
-  }
-  & > .search-box__icon-clear {
-    top: 0;
-    right: 0;
-    display: none;
-  }
-  & > .search-box__icon-search {
-    top: 0;
-    left: 0;
-  }
-}
-
-.search__cancel {
-  margin-left: map-get($spacers, 2);
-  font-weight: map-get($base, font-weight-bold);
-  white-space: nowrap;
-}
-
-.search-result {
-  margin: map-get($spacers, 4) 0;
-  font-size: map-get($base, font-size-sm);
-  line-height: map-get($base, line-height-sm);
-}
-
-.search-result__header {
-  margin: map-get($spacers, 3) 0 map-get($spacers, 2) 0;
-  font-size: map-get($base, font-size-lg);
-  font-weight: map-get($base, font-weight-bold);
-  color: $text-color-l;
-  text-transform: uppercase;
-  .search--light & {
-    color: $text-color-theme-light-l;
-  }
-  .search--dark & {
-    color: $text-color-theme-dark-l;
-  }
-}
-
-.search-result__item {
-  list-style-type: none;
-  a {
-    padding: map-get($spacers, 1) map-get($spacers, 3);
-    @include transition(none);
-    @include clickable($text-color, transparent, $text-color-3, $main-color-3);
-    .search--light & {
-      @include clickable($text-color-theme-light, transparent, $text-color-theme-dark, $main-color-theme-light);
-    }
-    .search--dark & {
-      @include clickable($text-color-theme-dark, transparent, $text-color-theme-light, $main-color-theme-dark);
-    }
-  }
-  &.active {
-    a {
-      @include plain() {
-        color: $text-color-3;
-        background-color: $main-color-3;
-        .search--light & {
-          color: $text-color-theme-dark;
-          background-color: $main-color-theme-light;
-        }
-        .search--dark & {
-          color: $text-color-theme-light;
-          background-color: $main-color-theme-dark;
-        }
-      }
-      @include active() {
-        @include transition(map-get($clickable, transition));
-      }
-    }
-  }
-}
-
-// google search
-.gsc-control-cse {
-  *,
-  ::before,
-  ::after {
-    box-sizing: initial;
-  }
-}
diff --git a/_sass/components/_tags.scss b/_sass/components/_tags.scss
deleted file mode 100644
index 946b1b6..0000000
--- a/_sass/components/_tags.scss
+++ /dev/null
@@ -1,24 +0,0 @@
-.site-tags {
-  .tag-button {
-    @include clickable($text-color-3, $main-color-3, default, default, $text-color-2,$main-color-2, $text-color-2,$main-color-2);
-    & > .tag-button__count {
-      display: inline-block;
-      margin-left: map-get($spacers, 1);
-      font-size: map-get($base, font-size-xs);
-      line-height: 1;
-      vertical-align: top;
-    }
-  }
-  .tag-button-1 {
-    @include clickable($text-color-1, rgba($main-color-1, .4), default, default, $text-color-2,$main-color-2, $text-color-2,$main-color-2);
-  }
-  .tag-button-2 {
-    @include clickable($text-color-1, rgba($main-color-1, .55), default, default, $text-color-2,$main-color-2, $text-color-2,$main-color-2);
-  }
-  .tag-button-3 {
-    @include clickable($text-color-1, rgba($main-color-1, .7), default, default, $text-color-2,$main-color-2, $text-color-2,$main-color-2);
-  }
-  .tag-button-4 {
-    @include clickable($text-color-1, rgba($main-color-1, .9), default, default, $text-color-2,$main-color-2, $text-color-2,$main-color-2);
-  }
-}
diff --git a/_sass/custom.scss b/_sass/custom.scss
deleted file mode 100644
index aa7b944..0000000
--- a/_sass/custom.scss
+++ /dev/null
@@ -1,3 +0,0 @@
-/* start custom scss snippet */
-
-/* end custom scss snippet */
diff --git a/_sass/layout/_404.scss b/_sass/layout/_404.scss
deleted file mode 100644
index e206f76..0000000
--- a/_sass/layout/_404.scss
+++ /dev/null
@@ -1,14 +0,0 @@
-.layout--404 {
-  .sign {
-    display: table;
-    margin: map-get($spacers, 4) auto;
-    margin-top: map-get($spacers, 5);
-    h1 {
-      font-size: map-get($base, font-size-xl) * 4;
-      line-height: 1;
-    }
-    p {
-      font-size: map-get($base, font-size-xl) * 1.2;
-    }
-  }
-}
diff --git a/_sass/layout/_archive.scss b/_sass/layout/_archive.scss
deleted file mode 100644
index 7dc417f..0000000
--- a/_sass/layout/_archive.scss
+++ /dev/null
@@ -1,5 +0,0 @@
-.layout--archive {
-  & > .layout--archive__result {
-    margin: map-get($spacers, 4) 0;
-  }
-}
diff --git a/_sass/layout/_article.scss b/_sass/layout/_article.scss
deleted file mode 100644
index dd83384..0000000
--- a/_sass/layout/_article.scss
+++ /dev/null
@@ -1,29 +0,0 @@
-.article__sharing {
-  margin: map-get($spacers, 4) 0;
-}
-.article__section-navigator {
-  padding-top: map-get($spacers, 3);
-  margin: map-get($spacers, 4) 0 map-get($spacers, 3) 0;
-  word-wrap: break-word;
-  @include split-line(top, 4px);
-  & > .previous, & > .next {
-    width: 50%;
-    & > span {
-      font-weight: map-get($base, font-weight-bold);
-      color: $text-color-l;
-    }
-    & > a {
-      display: block;
-      @include link-colors($text-color, $main-color-1);
-    }
-  }
-  & > .previous {
-    float: left;
-    padding-right: map-get($spacers, 2);
-  }
-  & > .next {
-    float: right;
-    padding-left: map-get($spacers, 2);
-    text-align: right;
-  }
-}
diff --git a/_sass/layout/_articles.scss b/_sass/layout/_articles.scss
deleted file mode 100644
index 85f258c..0000000
--- a/_sass/layout/_articles.scss
+++ /dev/null
@@ -1,17 +0,0 @@
-.layout--articles {
-  margin: map-get($spacers, 4) 0;
-  margin-top: map-get($spacers, 5);
-  @include media-breakpoint-down(md) {
-    margin-top: map-get($spacers, 4);
-  }
-  .card__header {
-    font-size: map-get($base, font-size);
-  }
-  .card__image {
-    & > .overlay {
-      &, .card__header {
-        font-size: map-get($base, font-size-sm);
-      }
-    }
-  }
-}
diff --git a/_sass/layout/_base.scss b/_sass/layout/_base.scss
deleted file mode 100644
index 6200ec5..0000000
--- a/_sass/layout/_base.scss
+++ /dev/null
@@ -1,6 +0,0 @@
-.icon {
-  display: block;
-  > svg {
-    display: block;
-  }
-}
diff --git a/_sass/layout/_home.scss b/_sass/layout/_home.scss
deleted file mode 100644
index 298e6b9..0000000
--- a/_sass/layout/_home.scss
+++ /dev/null
@@ -1,15 +0,0 @@
-.layout--home {
-  .pagination {
-    margin: map-get($spacers, 4) 0;
-  }
-  .pagination__menu {
-    max-width: 100%;
-    @include overflow(auto);
-  }
-  .pagination__omit {
-    color: $text-color-l;
-  }
-  .items {
-    margin-top: map-get($spacers, 4) * 1.5;
-  }
-}
diff --git a/_sass/layout/_landing.scss b/_sass/layout/_landing.scss
deleted file mode 100644
index 752d4e7..0000000
--- a/_sass/layout/_landing.scss
+++ /dev/null
@@ -1,23 +0,0 @@
-.layout--landing {
-  .heros {
-    max-width: map-get($layout, content-max-width) * 2;
-    margin-right: auto;
-    margin-left: auto;
-  }
-  .hero {
-    img {
-      display: block;
-      width: 100%;
-      margin: 0 auto;
-    }
-  }
-  .hero__content {
-    margin-bottom: 0;
-  }
-  .hero__cover {
-    max-width: map-get($layout, content-max-width);
-  }
-  .hero__cover--full-width {
-    max-width: none;
-  }
-}
diff --git a/_sass/layout/_page.scss b/_sass/layout/_page.scss
deleted file mode 100644
index bb42331..0000000
--- a/_sass/layout/_page.scss
+++ /dev/null
@@ -1,165 +0,0 @@
-body,
-html,
-.root,
-.layout--page {
-  height: 100%;
-}
-
-.layout--page {
-  &.layout--page--sidebar {
-    .page__viewport,
-    .page__grid {
-      height: 100%;
-    }
-    @include media-breakpoint-down(lg) {
-      .page__main {
-        @include overflow(unset);
-      }
-    }
-  }
-}
-
-.page__main {
-  height: 100%;
-  color: $text-color;
-  .col-aside {
-    display: none;
-    & > aside {
-      position: absolute;
-      width: map-get($layout, aside-width);
-      @include overflow(hidden);
-    }
-  }
-}
-
-.page__main-inner {
-  position: relative;
-  @include flexbox();
-  @include flex-direction(column);
-  min-height: 100%;
-  background-color: $background-color;
-}
-
-.page__content {
-  @include flex(1);
-  width: 100%;
-  margin: 0 auto;
-  @media print {
-    padding-bottom: 0;
-  }
-}
-.hide-footer {
-  .page__content {
-    padding-bottom: 0;
-  }
-}
-
-.page__comments {
-  margin: map-get($spacers, 4) 0;
-}
-
-.page__aside {
-  .toc-aside {
-    padding: map-get($spacers, 5) 0 map-get($spacers, 3) map-get($spacers, 5);
-  }
-}
-
-.page__actions {
-  position: fixed;
-  bottom: map-get($spacers, 5);
-  left: map-get($spacers, 3);
-  z-index: map-get($z-indexes, actions);
-  display: none;
-}
-
-.page__sidebar {
-  z-index: map-get($z-indexes, sidebar);
-  display: block;
-  width: 80%;
-  max-width: map-get($layout, sidebar-width);
-  height: 100%;
-  background-color: $background-color;
-  @include split-line(right);
-  @include transition(transform map-get($animation, duration));
-  @include overflow(auto);
-  .sidebar-toc {
-    padding: map-get($spacers, 3) map-get($spacers, 3) map-get($spacers, 4) map-get($spacers, 4);
-  }
-}
-.sidebar-button {
-  @include clickable($text-color-d, rgba($main-color-3, .75));
-}
-
-.page__mask {
-  @include modal(map-get($z-indexes, mask));
-  cursor: pointer;
-}
-.layout--page--sidebar {
-  .page__main {
-    @include overflow(auto);
-    @media print {
-      @include overflow(unset);
-    }
-  }
-}
-
-.has-aside {
-  .col-aside {
-    position: relative;
-    display: block;
-    width: map-get($layout, aside-width);
-    & > aside {
-      &.fixed {
-        position: fixed;
-        -webkit-font-smoothing: subpixel-antialiased;
-      }
-    }
-    @include media-breakpoint-down(lg) {
-      display: none;
-    }
-  }
-}
-
-@include media-breakpoint-down(lg) {
-  .page__sidebar {
-    position: fixed;
-    @include transform(translate(- map-get($layout, sidebar-width), 0));
-  }
-
-  .page__actions {
-    display: block;
-  }
-
-  .show-sidebar {
-    .page__actions {
-      visibility: hidden;
-    }
-    .page__sidebar {
-      @include transform(translate(0));
-    }
-    .page__mask {
-      @include modal--show();
-    }
-  }
-}
-
-.hero--light {
-  .article__info {
-    color: $text-color-theme-light;
-  }
-}
-.hero--dark {
-  .article__info {
-    color: $text-color-theme-dark;
-  }
-}
-
-.page__main--immersive {
-  .page__header {
-    position: absolute;
-    width: 100%;
-  }
-  .hero__content {
-    padding-top: map-get($layout, header-height);
-  }
-}
diff --git a/_sass/skins/_chocolate.scss b/_sass/skins/_chocolate.scss
deleted file mode 100644
index b2098d5..0000000
--- a/_sass/skins/_chocolate.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Chocolate
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #563a20;
-$text-color-1:     rgba(#fff, .85);
-
-$main-color-2:     #8a2827;
-$text-color-2:     rgba(#fff, .85);
-
-$main-color-3:     #b49b92;
-$text-color-3:     rgba(#fff, .85);
-
-$main-color-theme-light: rgba(#000, .9);
-$main-color-theme-dark:  rgba(#fff, .9);
-
-// page background
-$background-color: #d2c2bc;
-
-// text colors
-$text-color-theme-light-d: rgba(#000, .95);
-$text-color-theme-light:   rgba(#000, .85);
-$text-color-theme-light-l: rgba(#000, .5);
-
-$text-color-theme-dark-d:  #fff;
-$text-color-theme-dark:    rgba(#fff, .95);
-$text-color-theme-dark-l:  rgba(#fff, .85);
-
-$text-color-d:     $text-color-theme-light-d;
-$text-color:       $text-color-theme-light;
-$text-color-l:     $text-color-theme-light-l;
-
-$text-background-color: rgba(#000, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: $main-color-3;
-
-$footer-text-color: $text-color-3;
-$footer-background: $main-color-3;
-
-// border and shadow colors
-$border-color:     $main-color-3;
-$border-color-l:   mix(#000, $background-color, 10%);
-$decorate-color:   rgba(#000, .1);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-3, .5);
-
-// function colors
-$green:           #5baa34;
-$blue:            #1c7cd4;
-$yellow:          #c9771f;
-$red:             #da3d45;
-$text-color-function: rgba(#fff, .85);
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow-night-eighties";
diff --git a/_sass/skins/_dark.scss b/_sass/skins/_dark.scss
deleted file mode 100644
index 7250a87..0000000
--- a/_sass/skins/_dark.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Dark
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #ff9500;
-$text-color-1:     rgba(#fff, .8);
-
-$main-color-2:     #ff006a;
-$text-color-2:     rgba(#fff, .8);
-
-$main-color-3:     #202020;
-$text-color-3:     rgba(#fff, .8);
-
-$main-color-theme-light: rgba(#000, .8);
-$main-color-theme-dark:  rgba(#fff, .8);
-
-// page background
-$background-color: #121212;
-
-// text colors
-$text-color-theme-light-d: #000;
-$text-color-theme-light:   #222;
-$text-color-theme-light-l: #888;
-
-$text-color-theme-dark-d:  rgba(#fff, .8);
-$text-color-theme-dark:    rgba(#fff, .7);
-$text-color-theme-dark-l:  rgba(#fff, .5);
-
-$text-color-d:     $text-color-theme-dark-d;
-$text-color:       $text-color-theme-dark;
-$text-color-l:     $text-color-theme-dark-l;
-
-$text-background-color: rgba(#fff, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: $main-color-3;
-
-$footer-text-color: $text-color-3;
-$footer-background: $main-color-3;
-
-// border and shadow colors
-$border-color:     mix(#fff, $background-color, 20%);
-$border-color-l:   mix(#fff, $background-color, 10%);
-$decorate-color:   rgba(#fff, .1);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-1, .5);
-
-// function colors
-$green:           #5baa34;
-$blue:            #1c7cd4;
-$yellow:          #c9771f;
-$red:             #da3d45;
-$text-color-function: rgba(#fff, .8);
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow-night";
diff --git a/_sass/skins/_default.scss b/_sass/skins/_default.scss
deleted file mode 100644
index fc28935..0000000
--- a/_sass/skins/_default.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Default
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #fc4d50;
-$text-color-1:     #fff;
-
-$main-color-2:     #fca24d;
-$text-color-2:     #fff;
-
-$main-color-3:     #f2f2f2;
-$text-color-3:     #333;
-
-$main-color-theme-light: rgba(#000, .9);
-$main-color-theme-dark:  rgba(#fff, .9);
-
-// page background
-$background-color: #fff;
-
-// text colors
-$text-color-theme-light-d: #000;
-$text-color-theme-light:   #222;
-$text-color-theme-light-l: #888;
-
-$text-color-theme-dark-d:  #fff;
-$text-color-theme-dark:    rgba(#fff, .95);
-$text-color-theme-dark-l:  rgba(#fff, .85);
-
-$text-color-d:     $text-color-theme-light-d;
-$text-color:       $text-color-theme-light;
-$text-color-l:     $text-color-theme-light-l;
-
-$text-background-color: rgba(#000, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: $main-color-3;
-
-$footer-text-color: $text-color-3;
-$footer-background: $main-color-3;
-
-// border and shadow colors
-$border-color:     mix(#000, $background-color, 20%);
-$border-color-l:   mix(#000, $background-color, 10%);
-$decorate-color:   rgba(#000, .1);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-1, .5);
-
-// function colors
-$green:           #52c41a;
-$blue:            #1890ff;
-$yellow:          #fa8c16;
-$red:             #f5222d;
-$text-color-function: #fff;
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow";
diff --git a/_sass/skins/_forest.scss b/_sass/skins/_forest.scss
deleted file mode 100644
index df2c63a..0000000
--- a/_sass/skins/_forest.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Forest
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #bb6170;
-$text-color-1:     #fff;
-
-$main-color-2:     #f3c584;
-$text-color-2:     #fff;
-
-$main-color-3:     #7cc7bb;
-$text-color-3:     #fff;
-
-$main-color-theme-light: rgba(#000, .9);
-$main-color-theme-dark:  rgba(#fff, .9);
-
-// page background
-$background-color: #f8fcfb;
-
-// text colors
-$text-color-theme-light-d: #325f74;
-$text-color-theme-light:   #3e758f;
-$text-color-theme-light-l: #619dbb;
-
-$text-color-theme-dark-d:  #fff;
-$text-color-theme-dark:    rgba(#fff, .95);
-$text-color-theme-dark-l:  rgba(#fff, .85);
-
-$text-color-d:     $text-color-theme-light-d;
-$text-color:       $text-color-theme-light;
-$text-color-l:     $text-color-theme-light-l;
-
-$text-background-color: rgba(#000, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: $main-color-3;
-
-$footer-text-color: $text-color-3;
-$footer-background: $main-color-3;
-
-// border and shadow colors
-$border-color:     #3e758f;
-$border-color-l:   mix(#000, $background-color, 10%);
-$decorate-color:   rgba(#bb6170, .15);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-1, .5);
-
-// function colors
-$green:           #52c41a;
-$blue:            #1890ff;
-$yellow:          #fa8c16;
-$red:             #f5222d;
-$text-color-function: #fff;
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow";
diff --git a/_sass/skins/_ocean.scss b/_sass/skins/_ocean.scss
deleted file mode 100644
index c4da252..0000000
--- a/_sass/skins/_ocean.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Ocean
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #0366d6;
-$text-color-1:     #fff;
-
-$main-color-2:     #a5917f;
-$text-color-2:     #fff;
-
-$main-color-3:     #f1f8ff;
-$text-color-3:     #0366d6;
-
-$main-color-theme-light: rgba(#000, .9);
-$main-color-theme-dark:  rgba(#fff, .9);
-
-// page background
-$background-color: #fff;
-
-// text colors
-$text-color-theme-light-d: rgba(#000, .95);
-$text-color-theme-light:   rgba(#000, .85);
-$text-color-theme-light-l: rgba(#000, .5);
-
-$text-color-theme-dark-d:  #fff;
-$text-color-theme-dark:    rgba(#fff, .95);
-$text-color-theme-dark-l:  rgba(#fff, .85);
-
-$text-color-d:     $text-color-theme-light-d;
-$text-color:       $text-color-theme-light;
-$text-color-l:     $text-color-theme-light-l;
-
-$text-background-color: rgba(#000, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: $main-color-3;
-
-$footer-text-color: $text-color-3;
-$footer-background: $main-color-3;
-
-// border and shadow colors
-$border-color:     mix(#000, $background-color, 20%);
-$border-color-l:   mix(#000, $background-color, 10%);
-$decorate-color:   rgba(#000, .1);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-1, .5);
-
-// function colors
-$green:           #52c41a;
-$blue:            #1890ff;
-$yellow:          #fa8c16;
-$red:             #f5222d;
-$text-color-function: #fff;
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow-night-blue";
diff --git a/_sass/skins/_orange.scss b/_sass/skins/_orange.scss
deleted file mode 100644
index 4ffdbb1..0000000
--- a/_sass/skins/_orange.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-///
-// Skin: Orange
-// Author: Tian Qi
-// Email: kitian616@outlook.com
-///
-
-// main colors
-$main-color-1:     #f92651;
-$text-color-1:     #fff;
-
-$main-color-2:     #fdb824;
-$text-color-2:     #fff;
-
-$main-color-3:     #ff8a64;
-$text-color-3:     #fff;
-
-$main-color-theme-light: rgba(#000, .9);
-$main-color-theme-dark:  rgba(#fff, .9);
-
-// page background
-$background-color: #fffdfa;
-
-// text colors
-$text-color-theme-light-d: rgba(#000, .95);
-$text-color-theme-light:   rgba(#000, .85);
-$text-color-theme-light-l: rgba(#000, .5);
-
-$text-color-theme-dark-d:  rgba(#fff, .95);
-$text-color-theme-dark:    rgba(#fff, .85);
-$text-color-theme-dark-l:  rgba(#fff, .65);
-
-$text-color-d:     $text-color-theme-light-d;
-$text-color:       $text-color-theme-light;
-$text-color-l:     $text-color-theme-light-l;
-
-$text-background-color: rgba(#000, .05);
-
-// header and footer colors
-$header-text-color: $text-color-3;
-$header-background: linear-gradient(60deg, #ffa650 0%, #ff7b50 100%);
-
-$footer-text-color: $text-color-3;
-$footer-background: linear-gradient(60deg, #ffa650 0%, #ff7b50 100%);
-
-// border and shadow colors
-$border-color:     mix($main-color-1, $background-color, 50%);
-$border-color-l:   mix(#000, $background-color, 10%);
-$decorate-color:   rgba(#000, .1);
-$mask-color:       rgba(#000, .9);
-$select-color:     rgba($main-color-3, .5);
-
-// function colors
-$green:           #52c41a;
-$blue:            #1890ff;
-$yellow:          #fa8c16;
-$red:             #f5222d;
-$text-color-function: #fff;
-
-// logo colors
-$mail-color:       #0072c5;
-$facebook-color:   #4267b2;
-$twitter-color:    #1da1f2;
-$weibo-color:      #e6162d;
-$google-plus-color:#ea4335;
-$telegram-color:   #32afed;
-$medium-color:     #000;
-$zhihu-color:      #0084ff;
-$douban-color:     #42bd56;
-$linkedin-color:   #1074af;
-$github-color:     #000;
-$npm-color:        #fff;
-
-// highlight colors
-@import "skins/highlight/tomorrow-night-eighties";
diff --git a/_sass/skins/highlight/_default.scss b/_sass/skins/highlight/_default.scss
deleted file mode 100644
index e69de29..0000000
--- a/_sass/skins/highlight/_default.scss
+++ /dev/null
diff --git a/_sass/skins/highlight/_tomorrow-night-blue.scss b/_sass/skins/highlight/_tomorrow-night-blue.scss
deleted file mode 100644
index 473cbff..0000000
--- a/_sass/skins/highlight/_tomorrow-night-blue.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import "./tomorrow/night-blue";
-@import "./tomorrow/highlight";
diff --git a/_sass/skins/highlight/_tomorrow-night-bright.scss b/_sass/skins/highlight/_tomorrow-night-bright.scss
deleted file mode 100644
index 05af36c..0000000
--- a/_sass/skins/highlight/_tomorrow-night-bright.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import "./tomorrow/night-bright";
-@import "./tomorrow/highlight";
diff --git a/_sass/skins/highlight/_tomorrow-night-eighties.scss b/_sass/skins/highlight/_tomorrow-night-eighties.scss
deleted file mode 100644
index 4144a5e..0000000
--- a/_sass/skins/highlight/_tomorrow-night-eighties.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import "./tomorrow/night-eighties";
-@import "./tomorrow/highlight";
diff --git a/_sass/skins/highlight/_tomorrow-night.scss b/_sass/skins/highlight/_tomorrow-night.scss
deleted file mode 100644
index 2cb5d72..0000000
--- a/_sass/skins/highlight/_tomorrow-night.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import "./tomorrow/night";
-@import "./tomorrow/highlight";
diff --git a/_sass/skins/highlight/_tomorrow.scss b/_sass/skins/highlight/_tomorrow.scss
deleted file mode 100644
index 90aaf3b..0000000
--- a/_sass/skins/highlight/_tomorrow.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-@import "./tomorrow/default";
-@import "./tomorrow/highlight";
diff --git a/_sass/skins/highlight/tomorrow/_default.scss b/_sass/skins/highlight/tomorrow/_default.scss
deleted file mode 100644
index c739cf7..0000000
--- a/_sass/skins/highlight/tomorrow/_default.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-$highlight-background   : #f7f7f7;
-$highlight-foreground   : #4d4d4c;
-$highlight-comment      : #8e908c;
-$highlight-red          : #c82829;
-$highlight-orange       : #f5871f;
-$highlight-yellow       : #eab700;
-$highlight-green        : #718c00;
-$highlight-aqua         : #3e999f;
-$highlight-blue         : #4271ae;
-$highlight-purple       : #8959a8;
diff --git a/_sass/skins/highlight/tomorrow/_highlight.scss b/_sass/skins/highlight/tomorrow/_highlight.scss
deleted file mode 100644
index c026a44..0000000
--- a/_sass/skins/highlight/tomorrow/_highlight.scss
+++ /dev/null
@@ -1,74 +0,0 @@
-figure.highlight::before {
-  color: $highlight-comment !important;
-  background-color: $highlight-background !important;
-}
-pre.lineno {
-  color: $highlight-comment !important;
-}
-.highlight > pre {
-  color: $highlight-foreground;
-  background-color: $highlight-background !important;
-  .c   { color: $highlight-comment; } /* Comment */
-  .err { color: $highlight-red; } /* Error */
-  .k   { color: $highlight-purple; } /* Keyword */
-  .l   { color: $highlight-orange; } /* Literal */
-  .n   { color: $highlight-foreground; } /* Name */
-  .o   { color: $highlight-aqua; } /* Operator */
-  .p   { color: $highlight-foreground; } /* Punctuation */
-  .cm  { color: $highlight-comment; } /* Comment.Multiline */
-  .cp  { color: $highlight-comment; } /* Comment.Preproc */
-  .c1  { color: $highlight-comment; } /* Comment.Single */
-  .cs  { color: $highlight-comment; } /* Comment.Special */
-  .gd  { color: $highlight-red; } /* Generic.Deleted */
-  .ge  { font-style: italic; } /* Generic.Emph */
-  .gh  { font-weight: bold; color: $highlight-foreground; } /* Generic.Heading */
-  .gi  { color: $highlight-green; } /* Generic.Inserted */
-  .gp  { font-weight: bold; color: $highlight-comment; } /* Generic.Prompt */
-  .gs  { font-weight: bold; } /* Generic.Strong */
-  .gu  { font-weight: bold; color: $highlight-aqua; } /* Generic.Subheading */
-  .kc  { color: $highlight-purple; } /* Keyword.Constant */
-  .kd  { color: $highlight-purple; } /* Keyword.Declaration */
-  .kn  { color: $highlight-aqua; } /* Keyword.Namespace */
-  .kp  { color: $highlight-purple; } /* Keyword.Pseudo */
-  .kr  { color: $highlight-purple; } /* Keyword.Reserved */
-  .kt  { color: $highlight-yellow; } /* Keyword.Type */
-  .ld  { color: $highlight-green; } /* Literal.Date */
-  .m   { color: $highlight-orange; } /* Literal.Number */
-  .s   { color: $highlight-green; } /* Literal.String */
-  .na  { color: $highlight-blue; } /* Name.Attribute */
-  .nb  { color: $highlight-foreground; } /* Name.Builtin */
-  .nc  { color: $highlight-yellow; } /* Name.Class */
-  .no  { color: $highlight-red; } /* Name.Constant */
-  .nd  { color: $highlight-aqua; } /* Name.Decorator */
-  .ni  { color: $highlight-foreground; } /* Name.Entity */
-  .ne  { color: $highlight-red; } /* Name.Exception */
-  .nf  { color: $highlight-blue; } /* Name.Function */
-  .nl  { color: $highlight-foreground; } /* Name.Label */
-  .nn  { color: $highlight-yellow; } /* Name.Namespace */
-  .nx  { color: $highlight-blue; } /* Name.Other */
-  .py  { color: $highlight-foreground; } /* Name.Property */
-  .nt  { color: $highlight-aqua; } /* Name.Tag */
-  .nv  { color: $highlight-red; } /* Name.Variable */
-  .ow  { color: $highlight-aqua; } /* Operator.Word */
-  .w   { color: $highlight-foreground; } /* Text.Whitespace */
-  .mf  { color: $highlight-orange; } /* Literal.Number.Float */
-  .mh  { color: $highlight-orange; } /* Literal.Number.Hex */
-  .mi  { color: $highlight-orange; } /* Literal.Number.Integer */
-  .mo  { color: $highlight-orange; } /* Literal.Number.Oct */
-  .sb  { color: $highlight-green; } /* Literal.String.Backtick */
-  .sc  { color: $highlight-foreground; } /* Literal.String.Char */
-  .sd  { color: $highlight-comment; } /* Literal.String.Doc */
-  .s2  { color: $highlight-green; } /* Literal.String.Double */
-  .se  { color: $highlight-orange; } /* Literal.String.Escape */
-  .sh  { color: $highlight-green; } /* Literal.String.Heredoc */
-  .si  { color: $highlight-orange; } /* Literal.String.Interpol */
-  .sx  { color: $highlight-green; } /* Literal.String.Other */
-  .sr  { color: $highlight-green; } /* Literal.String.Regex */
-  .s1  { color: $highlight-green; } /* Literal.String.Single */
-  .ss  { color: $highlight-green; } /* Literal.String.Symbol */
-  .bp  { color: $highlight-foreground; } /* Name.Builtin.Pseudo */
-  .vc  { color: $highlight-red; } /* Name.Variable.Class */
-  .vg  { color: $highlight-red; } /* Name.Variable.Global */
-  .vi  { color: $highlight-red; } /* Name.Variable.Instance */
-  .il  { color: $highlight-orange; } /* Literal.Number.Integer.Long */
-}
diff --git a/_sass/skins/highlight/tomorrow/_night-blue.scss b/_sass/skins/highlight/tomorrow/_night-blue.scss
deleted file mode 100644
index 74fbf7f..0000000
--- a/_sass/skins/highlight/tomorrow/_night-blue.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-$highlight-background   :#002451;
-$highlight-foreground   :#fff;
-$highlight-comment      :#7285b7;
-$highlight-red          :#ff9da4;
-$highlight-orange       :#ffc58f;
-$highlight-yellow       :#ffeead;
-$highlight-green        :#d1f1a9;
-$highlight-aqua         :#9ff;
-$highlight-blue         :#bbdaff;
-$highlight-purple       :#ebbbff;
diff --git a/_sass/skins/highlight/tomorrow/_night-bright.scss b/_sass/skins/highlight/tomorrow/_night-bright.scss
deleted file mode 100644
index 39d6cfc..0000000
--- a/_sass/skins/highlight/tomorrow/_night-bright.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-$highlight-background   :#000;
-$highlight-foreground   :#eaeaea;
-$highlight-comment      :#969896;
-$highlight-red          :#d54e53;
-$highlight-orange       :#e78c45;
-$highlight-yellow       :#e7c547;
-$highlight-green        :#b9ca4a;
-$highlight-aqua         :#70c0b1;
-$highlight-blue         :#7aa6da;
-$highlight-purple       :#c397d8;
diff --git a/_sass/skins/highlight/tomorrow/_night-eighties.scss b/_sass/skins/highlight/tomorrow/_night-eighties.scss
deleted file mode 100644
index 4bd0ddb..0000000
--- a/_sass/skins/highlight/tomorrow/_night-eighties.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-$highlight-background   :#2d2d2d;
-$highlight-foreground   :#ccc;
-$highlight-comment      :#999;
-$highlight-red          :#f2777a;
-$highlight-orange       :#f99157;
-$highlight-yellow       :#fc6;
-$highlight-green        :#9c9;
-$highlight-aqua         :#6cc;
-$highlight-blue         :#69c;
-$highlight-purple       :#c9c;
diff --git a/_sass/skins/highlight/tomorrow/_night.scss b/_sass/skins/highlight/tomorrow/_night.scss
deleted file mode 100644
index 98a0294..0000000
--- a/_sass/skins/highlight/tomorrow/_night.scss
+++ /dev/null
@@ -1,10 +0,0 @@
-$highlight-background   : #1d1f21;
-$highlight-foreground   : #c5c8c6;
-$highlight-comment      : #969896;
-$highlight-red          : #c66;
-$highlight-orange       : #de935f;
-$highlight-yellow       : #f0c674;
-$highlight-green        : #b5bd68;
-$highlight-aqua         : #8abeb7;
-$highlight-blue         : #81a2be;
-$highlight-purple       : #b294bb;