From 3c7934abf02b1ef89de7d88b91e234abfc650e52 Mon Sep 17 00:00:00 2001
From: Cotes Chung <11371340+cotes2020@users.noreply.github.com>
Date: Thu, 16 Mar 2023 03:36:52 +0800
Subject: [PATCH] style: improve code style of SCSS & YAML

---
 .github/workflows/codeql.yml     |  40 ++++-----
 .github/workflows/style-lint.yml |  10 +--
 _data/contact.yml                |  11 ++-
 _sass/addon/commons.scss         | 147 ++++++++++++++++++++-----------
 _sass/addon/module.scss          |   4 +-
 _sass/addon/syntax.scss          |  28 +++---
 _sass/addon/variables.scss       |  12 +--
 _sass/colors/dark-syntax.scss    |   9 +-
 _sass/colors/light-syntax.scss   |   2 +-
 _sass/layout/archives.scss       |  18 ++--
 _sass/layout/categories.scss     |   3 +-
 _sass/layout/category-tag.scss   |  14 +--
 12 files changed, 181 insertions(+), 117 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2937c9d..dda3e8e 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,12 +1,12 @@
-name: 'CodeQL'
+name: "CodeQL"
 
 on:
   push:
-    paths: [ '**.js' ]
+    paths: ["**.js"]
   pull_request:
-    paths: [ '**.js' ]
+    paths: ["**.js"]
   schedule:
-    - cron: '0 0 * * 5'
+    - cron: "0 0 * * 5"
 
 jobs:
   analyze:
@@ -20,25 +20,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'javascript' ]
+        language: ["javascript"]
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
 
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
+      - name: Checkout repository
+        uses: actions/checkout@v3
 
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: '${{ matrix.language }}'
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: "${{ matrix.language }}"
 
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
 
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
-      with:
-        category: '/language:${{ matrix.language }}'
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2
+        with:
+          category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/style-lint.yml b/.github/workflows/style-lint.yml
index 2f1cdd0..9500ac4 100644
--- a/.github/workflows/style-lint.yml
+++ b/.github/workflows/style-lint.yml
@@ -1,15 +1,15 @@
-name: 'Style Lint'
+name: "Style Lint"
 
 on:
   push:
     branches-ignore:
-      - 'production'
-      - 'docs'
+      - "production"
+      - "docs"
     paths:
-      - '_sass/**/*.scss'
+      - "_sass/**/*.scss"
   pull_request:
     paths:
-      - '_sass/**/*.scss'
+      - "_sass/**/*.scss"
 
 jobs:
   stylelint:
diff --git a/_data/contact.yml b/_data/contact.yml
index 971969e..76b667a 100644
--- a/_data/contact.yml
+++ b/_data/contact.yml
@@ -1,19 +1,18 @@
 #  The contact options.
 
 - type: github
-  icon: 'fab fa-github'
+  icon: "fab fa-github"
 
 - type: twitter
-  icon: 'fab fa-twitter'
+  icon: "fab fa-twitter"
 
 - type: email
-  icon: 'fas fa-envelope'
-  noblank: true            # open link in current tab
+  icon: "fas fa-envelope"
+  noblank: true # open link in current tab
 
 - type: rss
-  icon: 'fas fa-rss'
+  icon: "fas fa-rss"
   noblank: true
-
 # Uncomment and complete the url below to enable more contact options
 #
 # - type: mastodon
diff --git a/_sass/addon/commons.scss b/_sass/addon/commons.scss
index d808f35..0fa399d 100644
--- a/_sass/addon/commons.scss
+++ b/_sass/addon/commons.scss
@@ -5,22 +5,22 @@
 html {
   @media (prefers-color-scheme: light) {
     &:not([data-mode]),
-    &[data-mode="light"] {
+    &[data-mode='light'] {
       @include light-scheme;
     }
 
-    &[data-mode="dark"] {
+    &[data-mode='dark'] {
       @include dark-scheme;
     }
   }
 
   @media (prefers-color-scheme: dark) {
     &:not([data-mode]),
-    &[data-mode="dark"] {
+    &[data-mode='dark'] {
       @include dark-scheme;
     }
 
-    &[data-mode="light"] {
+    &[data-mode='light'] {
       @include light-scheme;
     }
   }
@@ -32,7 +32,7 @@ body {
   background: var(--body-bg);
   color: var(--text-color);
   -webkit-font-smoothing: antialiased;
-  font-family: "Source Sans Pro", "Microsoft Yahei", sans-serif;
+  font-family: 'Source Sans Pro', 'Microsoft Yahei', sans-serif;
   line-height: 1.75;
 }
 
@@ -90,7 +90,7 @@ img {
       animation: fade-in 0.4s ease-in;
     }
 
-    &[data-lqip="true"] {
+    &[data-lqip='true'] {
       &.lazyload,
       &.lazyloading {
         -webkit-filter: blur(20px);
@@ -98,7 +98,7 @@ img {
       }
     }
 
-    &:not([data-lqip="true"]) {
+    &:not([data-lqip='true']) {
       &.lazyload,
       &.lazyloading {
         background: var(--img-bg);
@@ -115,13 +115,21 @@ img {
   }
 
   @-webkit-keyframes fade-in {
-    from { opacity: 0; }
-    to { opacity: 1; }
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
   }
 
   @keyframes fade-in {
-    from { opacity: 0; }
-    to { opacity: 1; }
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
   }
 }
 
@@ -130,7 +138,7 @@ blockquote {
   padding-left: 1rem;
   color: var(--blockquote-text-color);
 
-  &[class^="prompt-"] {
+  &[class^='prompt-'] {
     border-left: 0;
     position: relative;
     padding: 1rem 1rem 1rem 3rem;
@@ -153,10 +161,10 @@ blockquote {
     }
   }
 
-  @include prompt("tip", "\f0eb", "regular");
-  @include prompt("info", "\f06a");
-  @include prompt("warning", "\f06a");
-  @include prompt("danger", "\f071");
+  @include prompt('tip', '\f0eb', 'regular');
+  @include prompt('info', '\f06a');
+  @include prompt('warning', '\f06a');
+  @include prompt('danger', '\f071');
 }
 
 kbd {
@@ -208,7 +216,8 @@ footer {
   }
 }
 
-i { /* fontawesome icons */
+/* fontawesome icons */
+i {
   &.far,
   &.fas {
     @extend %no-cursor;
@@ -266,7 +275,7 @@ i { /* fontawesome icons */
     }
   }
 
-  [data-topbar-visible="true"] & > div {
+  [data-topbar-visible='true'] & > div {
     top: 6rem;
   }
 }
@@ -310,7 +319,7 @@ i { /* fontawesome icons */
 
     /* [scroll-focus] added by `smooth-scroll.js` */
     &:target:not([scroll-focus]),
-    &[scroll-focus="true"] > p {
+    &[scroll-focus='true'] > p {
       background-color: var(--footnote-target-bg);
       width: -moz-fit-content;
       width: -webkit-fit-content;
@@ -331,7 +340,7 @@ i { /* fontawesome icons */
 
   /* [scroll-focus] added by `smooth-scroll.js` */
   @at-root sup:target:not([scroll-focus]),
-  sup[scroll-focus=true] > a#{&} {
+    sup[scroll-focus='true'] > a#{&} {
     background-color: var(--footnote-target-bg);
   }
 }
@@ -384,7 +393,7 @@ i { /* fontawesome icons */
         }
       }
     } /* tbody */
-  }/* table */
+  } /* table */
 }
 
 /* --- post --- */
@@ -476,7 +485,8 @@ i { /* fontawesome icons */
       list-style-type: none;
       padding-left: 0;
 
-      > i { /* checkbox icon */
+      /* checkbox icon */
+      > i {
         width: 2rem;
         margin-left: -1.25rem;
         color: var(--checkbox-color);
@@ -492,7 +502,7 @@ i { /* fontawesome icons */
       }
     }
 
-    input[type="checkbox"] {
+    input[type='checkbox'] {
       margin: 0 0.5rem 0.2rem -1.3rem;
       vertical-align: middle;
     }
@@ -545,7 +555,7 @@ i { /* fontawesome icons */
   background: var(--img-bg);
 
   &::before {
-    content: "";
+    content: '';
     position: absolute;
     background: var(--shimmer-bg);
     height: 100%;
@@ -555,13 +565,25 @@ i { /* fontawesome icons */
   }
 
   @-webkit-keyframes shimmer {
-    0% { -webkit-transform: translateX(-100%); transform: translateX(-100%); }
-    100% { -webkit-transform: translateX(100%); transform: translateX(100%); }
+    0% {
+      -webkit-transform: translateX(-100%);
+      transform: translateX(-100%);
+    }
+    100% {
+      -webkit-transform: translateX(100%);
+      transform: translateX(100%);
+    }
   }
 
   @keyframes shimmer {
-    0% { -webkit-transform: translateX(-100%); transform: translateX(-100%); }
-    100% { -webkit-transform: translateX(100%); transform: translateX(100%); }
+    0% {
+      -webkit-transform: translateX(-100%);
+      transform: translateX(-100%);
+    }
+    100% {
+      -webkit-transform: translateX(100%);
+      transform: translateX(100%);
+    }
   }
 }
 
@@ -627,7 +649,8 @@ i { /* fontawesome icons */
   @include no-text-decoration;
 }
 
-.tooltip-inner { /* Overrided BS4 Tooltip */
+/* Overrided BS4 Tooltip */
+.tooltip-inner {
   font-size: 0.7rem;
   max-width: 220px;
   text-align: left;
@@ -682,7 +705,7 @@ mjx-container {
 
 /* --- sidebar layout --- */
 
-$sidebar-display: "sidebar-display";
+$sidebar-display: 'sidebar-display';
 
 #sidebar {
   @include pl-pr(0);
@@ -702,8 +725,8 @@ $sidebar-display: "sidebar-display";
   }
 
   /* Hide scrollbar for IE, Edge and Firefox */
-  -ms-overflow-style: none;  /* IE and Edge */
-  scrollbar-width: none;  /* Firefox */
+  -ms-overflow-style: none; /* IE and Edge */
+  scrollbar-width: none; /* Firefox */
 
   a {
     @extend %sidebar-links;
@@ -768,6 +791,7 @@ $sidebar-display: "sidebar-display";
     min-height: 3rem; /* avoid vertical shifting in multi-line words */
     -webkit-user-select: none;
     -moz-user-select: none;
+    -ms-user-select: none;
     user-select: none;
   }
 
@@ -811,10 +835,11 @@ $sidebar-display: "sidebar-display";
           width: 100%;
         }
 
-        &::after { /* the cursor */
+        /* the cursor */
+        &::after {
           display: table;
           visibility: hidden;
-          content: "";
+          content: '';
           position: relative;
           right: 1px;
           width: $cursor-width;
@@ -833,7 +858,8 @@ $sidebar-display: "sidebar-display";
 
     @for $i from 1 through $tab-count {
       $offset: $tab-count - $i;
-      $top: (-$offset * $tab-height) + (($tab-height - $tab-cursor-height) * 0.5);
+      $top: (-$offset * $tab-height) +
+        (($tab-height - $tab-cursor-height) * 0.5);
 
       @if $i < $tab-count {
         > li.active:nth-child(#{$i}),
@@ -894,7 +920,7 @@ $sidebar-display: "sidebar-display";
       @extend %no-cursor;
 
       background-color: var(--sidebar-muted-color);
-      content: "";
+      content: '';
       width: 3px;
       height: 3px;
       border-radius: 50%;
@@ -937,13 +963,14 @@ $sidebar-display: "sidebar-display";
   border-bottom: 1px solid rgba(0, 0, 0, 0.07);
   background-color: var(--topbar-wrapper-bg);
 
-  [data-topbar-visible="false"] & {
+  [data-topbar-visible='false'] & {
     top: -$topbar-height; /* same as topbar height. */
   }
 }
 
 #topbar {
-  i { /* icons */
+  /* icons */
+  i {
     color: #999999;
   }
 
@@ -959,7 +986,7 @@ $sidebar-display: "sidebar-display";
     span {
       &:not(:last-child) {
         &::after {
-          content: "›";
+          content: '›';
           padding: 0 0.3rem;
         }
       }
@@ -987,7 +1014,8 @@ $sidebar-display: "sidebar-display";
   }
 }
 
-#search-cancel { /* 'Cancel' link */
+/* 'Cancel' link */
+#search-cancel {
   color: var(--link-color);
   margin-left: 1rem;
   display: none;
@@ -1008,9 +1036,21 @@ $sidebar-display: "sidebar-display";
     background: center;
 
     &.form-control {
-      &::-moz-placeholder { @include input-placeholder; }
-      &::-webkit-input-placeholder { @include input-placeholder; }
-      &::placeholder { @include input-placeholder; }
+      &::-moz-placeholder {
+        @include input-placeholder;
+      }
+      &::-webkit-input-placeholder {
+        @include input-placeholder;
+      }
+      &:-ms-input-placeholder {
+        @include input-placeholder;
+      }
+      &::-ms-input-placeholder {
+        @include input-placeholder;
+      }
+      &::placeholder {
+        @include input-placeholder;
+      }
     }
   }
 }
@@ -1032,7 +1072,7 @@ $sidebar-display: "sidebar-display";
     margin: 0 1.25rem 1rem 0;
 
     &::before {
-      content: "#";
+      content: '#';
       color: var(--text-muted-color);
       padding-right: 0.2rem;
     }
@@ -1064,7 +1104,8 @@ $sidebar-display: "sidebar-display";
       margin-bottom: 1rem;
     }
 
-    i { /* icons */
+    /* icons */
+    i {
       color: #818182;
       margin-right: 0.15rem;
       font-size: 80%;
@@ -1262,7 +1303,9 @@ $sidebar-display: "sidebar-display";
   }
 
   #core-wrapper {
-    min-height: calc(100vh - #{$topbar-height} - #{$footer-height-mobile}) !important;
+    min-height: calc(
+      100vh - #{$topbar-height} - #{$footer-height-mobile}
+    ) !important;
 
     h1 {
       margin-top: 2.2rem;
@@ -1270,7 +1313,7 @@ $sidebar-display: "sidebar-display";
     }
 
     .post-content {
-      > blockquote[class^="prompt-"] {
+      > blockquote[class^='prompt-'] {
         @include ml-mr(-1.25rem);
 
         border-radius: 0;
@@ -1406,7 +1449,7 @@ $sidebar-display: "sidebar-display";
 } /* max-width: 849px */
 
 @media all and (max-width: 849px) and (orientation: portrait) {
-  [data-topbar-visible="false"] #topbar-wrapper {
+  [data-topbar-visible='false'] #topbar-wrapper {
     top: 0;
   }
 }
@@ -1596,7 +1639,9 @@ $sidebar-display: "sidebar-display";
   }
 
   #search-wrapper {
-    margin-right: calc(#{$main-content-max-width} * 0.25 - #{$search-max-width});
+    margin-right: calc(
+      #{$main-content-max-width} * 0.25 - #{$search-max-width}
+    );
   }
 
   #topbar,
@@ -1611,7 +1656,9 @@ $sidebar-display: "sidebar-display";
   }
 
   #back-to-top {
-    right: calc((100vw - #{$sidebar-width-large} - #{$main-content-max-width}) / 2 + 2rem);
+    right: calc(
+      (100vw - #{$sidebar-width-large} - #{$main-content-max-width}) / 2 + 2rem
+    );
   }
 
   #sidebar {
diff --git a/_sass/addon/module.scss b/_sass/addon/module.scss
index 1fc9ae5..44f21d2 100644
--- a/_sass/addon/module.scss
+++ b/_sass/addon/module.scss
@@ -7,7 +7,7 @@
 %heading {
   color: var(--heading-color);
   font-weight: 400;
-  font-family: Lato, "Microsoft Yahei", sans-serif;
+  font-family: Lato, 'Microsoft Yahei', sans-serif;
 }
 
 %section {
@@ -150,7 +150,7 @@
   transform: translateX(-50%);
 }
 
-@mixin prompt($type, $fa-content, $fa-style: "solid") {
+@mixin prompt($type, $fa-content, $fa-style: 'solid') {
   &.prompt-#{$type} {
     background-color: var(--prompt-#{$type}-bg);
 
diff --git a/_sass/addon/syntax.scss b/_sass/addon/syntax.scss
index 6667380..bc48ab0 100644
--- a/_sass/addon/syntax.scss
+++ b/_sass/addon/syntax.scss
@@ -2,28 +2,28 @@
 * The syntax highlight.
 */
 
-@import "colors/light-syntax";
-@import "colors/dark-syntax";
+@import 'colors/light-syntax';
+@import 'colors/dark-syntax';
 
 html {
   @media (prefers-color-scheme: light) {
     &:not([data-mode]),
-    &[data-mode="light"] {
+    &[data-mode='light'] {
       @include light-syntax;
     }
 
-    &[data-mode="dark"] {
+    &[data-mode='dark'] {
       @include dark-syntax;
     }
   }
 
   @media (prefers-color-scheme: dark) {
     &:not([data-mode]),
-    &[data-mode="dark"] {
+    &[data-mode='dark'] {
       @include dark-syntax;
     }
 
-    &[data-mode="light"] {
+    &[data-mode='light'] {
       @include light-syntax;
     }
   }
@@ -68,16 +68,17 @@ html {
     word-wrap: normal; /* Fixed Safari overflow-x */
 
     /* set the dollar sign to non-selectable */
-    >.gp:first-child {
+    > .gp:first-child {
       -webkit-user-select: none;
       -moz-user-select: none;
+      -ms-user-select: none;
       user-select: none;
     }
   }
 
   table {
     td pre {
-      overflow: visible;  /* Fixed iOS safari overflow-x */
+      overflow: visible; /* Fixed iOS safari overflow-x */
       word-break: normal; /* Fixed iOS safari linenos code break */
     }
   }
@@ -90,12 +91,14 @@ html {
     -webkit-user-select: none;
     -moz-user-select: none;
     -o-user-select: none;
+    -ms-user-select: none;
     user-select: none;
   }
 } /* .highlight */
 
 code {
   -webkit-hyphens: none;
+  -ms-hyphens: none;
   hyphens: none;
 
   &.highlighter-rouge {
@@ -147,7 +150,7 @@ td.rouge-code {
 
 /* Hide line numbers for default, console, and terminal code snippets */
 div {
-  &[class^="highlighter-rouge"],
+  &[class^='highlighter-rouge'],
   &.nolineno,
   &.language-plaintext.highlighter-rouge,
   &.language-console.highlighter-rouge,
@@ -176,15 +179,14 @@ div {
     $dot-size: 0.75rem;
     $dot-margin: 0.5rem;
 
-    content: "";
+    content: '';
     display: inline-block;
     margin-left: 1rem;
     width: $dot-size;
     height: $dot-size;
     border-radius: 50%;
     background-color: var(--code-header-muted-color);
-    box-shadow:
-      ($dot-size + $dot-margin) 0 0 var(--code-header-muted-color),
+    box-shadow: ($dot-size + $dot-margin) 0 0 var(--code-header-muted-color),
       ($dot-size + $dot-margin) * 2 0 0 var(--code-header-muted-color);
   }
 
@@ -256,7 +258,7 @@ div {
 
 @media all and (max-width: 576px) {
   .post-content {
-    > div[class^="language-"] {
+    > div[class^='language-'] {
       @include ml-mr(-1.25rem);
 
       border-radius: 0;
diff --git a/_sass/addon/variables.scss b/_sass/addon/variables.scss
index 99614a5..1db532e 100644
--- a/_sass/addon/variables.scss
+++ b/_sass/addon/variables.scss
@@ -4,23 +4,23 @@
 
 /* sidebar */
 
-$sidebar-width: 260px !default;        /* the basic width */
-$sidebar-width-small: 210px !default;  /* screen width: >= 850px, <= 1199px (iPad landscape) */
-$sidebar-width-large: 350px !default;  /* screen width: >= 1650px */
+$sidebar-width: 260px !default; /* the basic width */
+$sidebar-width-small: 210px !default; /* screen width: >= 850px, <= 1199px (iPad landscape) */
+$sidebar-width-large: 350px !default; /* screen width: >= 1650px */
 
 /* tabs of sidebar */
 
-$tab-count: 5 !default;   /* backward compatible (version <= 4.0.2) */
+$tab-count: 5 !default; /* backward compatible (version <= 4.0.2) */
 $tab-height: 3rem !default;
 $tab-cursor-height: 1.6rem !default;
-$cursor-width: 2px !default;    /* the cursor width of the selected tab */
+$cursor-width: 2px !default; /* the cursor width of the selected tab */
 
 /* other framework sizes */
 
 $topbar-height: 3rem !default;
 $search-max-width: 210px !default;
 $footer-height: 5rem !default;
-$footer-height-mobile: 6rem !default;   /* screen width: <= 576px */
+$footer-height-mobile: 6rem !default; /* screen width: <= 576px */
 
 $main-content-max-width: 1250px !default;
 $bottom-min-height: 35rem !default;
diff --git a/_sass/colors/dark-syntax.scss b/_sass/colors/dark-syntax.scss
index 3912ed3..8c22d24 100644
--- a/_sass/colors/dark-syntax.scss
+++ b/_sass/colors/dark-syntax.scss
@@ -13,10 +13,13 @@
   --clipboard-checked-color: #2bcc2b;
   --filepath-text-color: #bdbdbd;
 
-  pre { color: #bfbfbf; } /* override Bootstrap */
+  /* override Bootstrap */
+  pre {
+    color: #bfbfbf;
+  }
 
-  .highlight {
-    .gp { color: #818c96; }
+  .highlight .gp {
+    color: #818c96;
   }
 
   /* syntax highlight colors from https://raw.githubusercontent.com/jwarby/pygments-css/master/monokai.css */
diff --git a/_sass/colors/light-syntax.scss b/_sass/colors/light-syntax.scss
index aeac91f..a4dde91 100644
--- a/_sass/colors/light-syntax.scss
+++ b/_sass/colors/light-syntax.scss
@@ -76,7 +76,7 @@
   --code-header-icon-color: #d1d1d1;
   --clipboard-checked-color: #43c743;
 
-  [class^="prompt-"] {
+  [class^='prompt-'] {
     --inline-code-bg: #fbfafa;
     --highlighter-rouge-color: rgb(82, 82, 82);
   }
diff --git a/_sass/layout/archives.scss b/_sass/layout/archives.scss
index 70cf379..3a2e86b 100644
--- a/_sass/layout/archives.scss
+++ b/_sass/layout/archives.scss
@@ -8,7 +8,7 @@
   $timeline-width: 4px;
 
   %timeline {
-    content: "";
+    content: '';
     width: $timeline-width;
     position: relative;
     float: left;
@@ -37,8 +37,9 @@
       top: 24px;
     }
 
-    &::after { /* Year dot */
-      content: "";
+    /* Year dot */
+    &::after {
+      content: '';
       display: inline-block;
       position: relative;
       border-radius: 50%;
@@ -63,7 +64,14 @@
 
       &:nth-child(odd) {
         background-color: var(--main-bg, #ffffff);
-        background-image: linear-gradient(to left, #ffffff, #fbfbfb, #fbfbfb, #fbfbfb, #ffffff);
+        background-image: linear-gradient(
+          to left,
+          #ffffff,
+          #fbfbfb,
+          #fbfbfb,
+          #fbfbfb,
+          #ffffff
+        );
       }
 
       &::before {
@@ -109,7 +117,7 @@
 
     &::before {
       /* the dot before post title */
-      content: "";
+      content: '';
       display: inline-block;
       position: relative;
       border-radius: 50%;
diff --git a/_sass/layout/categories.scss b/_sass/layout/categories.scss
index c818e33..31c8e8e 100644
--- a/_sass/layout/categories.scss
+++ b/_sass/layout/categories.scss
@@ -54,7 +54,8 @@
   }
 }
 
-@media (hover: hover) { /* only works on desktop */
+/* only works on desktop */
+@media (hover: hover) {
   .category-trigger:hover {
     background-color: var(--categories-hover-bg);
   }
diff --git a/_sass/layout/category-tag.scss b/_sass/layout/category-tag.scss
index 4488671..3b25db5 100644
--- a/_sass/layout/category-tag.scss
+++ b/_sass/layout/category-tag.scss
@@ -13,31 +13,35 @@
     line-height: 1.5rem;
     padding: 0.6rem 0;
 
-    &::before { /* dot */
+    /* dot */
+    &::before {
       background: #999999;
       width: 5px;
       height: 5px;
       border-radius: 50%;
       display: block;
-      content: "";
+      content: '';
       position: relative;
       top: 0.6rem;
       margin-right: 0.5rem;
     }
 
-    > a { /* post's title */
+    /* post's title */
+    > a {
       @extend %no-bottom-border;
 
       font-size: 1.1rem;
     }
 
+    /* post's date */
     > span:last-child {
       white-space: nowrap;
-    } /* post's date */
+    }
   }
 }
 
-#page-tag h1 > i { /* tag icon */
+/* tag icon */
+#page-tag h1 > i {
   font-size: 1.2rem;
 }