web/assets/css/post.scss

---
---
/*!
  Post-specific style
  v2.0
  https://github.com/cotes2020/jekyll-theme-chirpy
  © 2019 Cotes Chung
  MIT License
*/
@import "_addon/variables";

$prompt-older: "{{ site.data.label.post.button.previous }}";
$prompt-newer: "{{ site.data.label.post.button.next }}";

@mixin btn-sharing-color($light-color, $important: false) {
  @if $important {
    color: var(--btn-share-color, $light-color)!important;
  } @else {
    color: var(--btn-share-color, $light-color);
  }
}

@mixin btn-post-nav {
  width: 50%;
  position: relative;
  border-color: var(--btn-border-color);
}

.post img {
  margin-top: .5rem;
  margin-bottom: 1.5rem;
  max-width: 100%;
  height: auto;
  // filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.08));
  position: relative;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
}

.post-tail-wrapper {
  margin-top: 5rem;
  border-bottom: 1px double var(--main-border-color);
  font-size: 0.85rem;
}

.post-navigation {
  padding-top: 3rem;
  padding-bottom: 2rem;

  .btn {
    @include btn-post-nav;
    color: var(--link-color);
    &:hover {
      background: #2a408e;
      color: #fff;
      border-color: #2a408e;
    }
    &.disabled {
      @include btn-post-nav;
      pointer-events: auto;
      cursor: not-allowed;
      background: none;
      color: gray;
      &:hover {
        border-color: none;
      }
    }
    &.btn-outline-primary.disabled:focus {
      box-shadow: none;
    }
  }

  p {
    font-size: 1.1rem;
    line-height: 1.5rem;
    margin-top: .3rem;
    white-space: normal;
  }

  a, span {
    &::before {
      color: var(--text-muted-color);
      font-size: .65rem;
      text-transform: uppercase;
    }
    &:first-child {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      left: .5px;
      &::before {
        content: $prompt-older
      }
    }
    &:last-child {
      border-top-left-radius: 0;
      border-bottom-left-radius: 0;
      right: .5px;
      &::before {
        content: $prompt-newer
      }
    }
  }
} // .post-navigation

@keyframes fade-up {
  from {
    opacity: 0;
    position: relative;
    top: 2rem;
  }
  to {
    opacity: 1;
    position: relative;
    top: 0;
  }
}

#toc-wrapper {
  border-left: 1px solid rgba(158, 158, 158, 0.17);
  position: -webkit-sticky;
  position: sticky;
  top: 2rem;
  transition: top 0.2s ease-in-out;
  animation: fade-up .8s;
  &.topbar-down {
    top: 6rem;
  }
  >h3 {
    font-size: 1rem;
    font-family: 'Oswald', sans-serif;
    color: gray;
  }
}

#toc li>a {
  line-height: 1rem;
  padding-top: .5rem;
  padding-bottom: .5rem;
}


/*--- Related Posts ---*/

#related-posts {
  >h3 {
    color: gray;
    font-size: 1.1rem;
    font-family: 'Oswald', sans-serif;
  }
  .card {
    border: 1px solid var(--card-border-color);
    background-color: var(--card-bg);
    box-shadow: 0 0 5px 0 var(--card-box-shadow);
    -webkit-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
    h3 {
      color: var(--label-relate-post);
    }
    &:hover {
      -webkit-transform: translate3d(0, -3px, 0);
      transform: translate3d(0, -3px, 0);
      filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.08));
    }
  }

  .timeago {
    color: var(--relate-post-date);
  }

  p {
    font-size: .9rem;
    margin-bottom: .5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  a:hover {
    text-decoration: none;
  }

  ul {
    list-style-type: none;
    padding-inline-start: 1.5rem;
    >li::before {
      background: #c2c9d4;
      width: 5px;
      height: 5px;
      border-radius: 1px;
      display: block;
      content: "";
      position: relative;
      top: 1rem;
      right: 1rem;
    }
  }
}

#post-extend-wrapper {
  min-height: 2rem;
}

.post-tail-bottom a {
  color: inherit;
}

%btn-share-hovor {
  color: var(--btn-share-hover-color)!important;
}

.share-wrapper {
  vertical-align: middle;
  user-select: none;
  .share-icons {
    font-size: 1.2rem;
    a {
      &:not(:last-child) {
        margin-right: .25rem;
      }
      &:hover {
        text-decoration: none;
        >i {
          @extend %btn-share-hovor;
        }
      }
    }
    >i {
      padding-top: .35rem;
      &:hover {
        @extend %btn-share-hovor;
      }
    }
    .fab {
      &.fa-twitter {
        @include btn-sharing-color(rgba(29, 161, 242, 1.00));
      }
      &.fa-facebook-square {
        @include btn-sharing-color(rgb(66, 95, 156));
      }
      &.fa-telegram {
        @include btn-sharing-color(rgb(39, 159, 217));
      }
      &.fa-weibo {
        @include btn-sharing-color(rgb(229, 20, 43));
      }
    }

  } // .share-icons

  .fas.fa-link {
    @include btn-sharing-color(rgb(171, 171, 171));
  }

} // .share-wrapper


.share-label {
  font-family: 'Oswald', sans-serif;
  &::after {
    content: ":";
  }
}

.license-wrapper {
  line-height: 1.2rem;
  .license-text>a {
    font-weight: 600;
  }
  i {
    font-weight: 400;
  }
  span:last-child {
    font-size: .85rem;
  }
} // .license-wrapper


@media all and (max-width: 576px) {
  .post-tail-bottom {
    -ms-flex-wrap: wrap!important;
    flex-wrap: wrap!important;
    >div:first-child {
      margin-bottom: 1rem;
    }
  }
}

@media all and (max-width: 768px) {
  .post img {
    max-width: calc(100% + 1rem);
  }
}

@media all and (min-width: 768px) {
  .post {
    .post-meta {
      >div:not(:first-child)::before {
        content: "\2022";
        color: rgba(158, 158, 158, 0.8);
        font-weight: bold;
        padding-left: .5rem;
        padding-right: .3rem;
      }
      &.flex-column {
        -webkit-box-orient: horizontal!important;
        -webkit-box-direction: normal!important;
        -ms-flex-direction: row!important;
        flex-direction: row!important;
      }
    }
  } // .post
}

@media all and (min-width: 768px) and (max-width: 830px) {
  .post img {
    max-width: calc(100% + 2rem);
  }
}

/* Hide SideBar and TOC */
@media all and (max-width: 830px) {
  .post img {
    position: relative;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
  }

  .post-navigation {
    padding-left: 0;
    padding-right: 0;
    margin-left: -.5rem;
    margin-right: -.5rem;
  }

}

/*
  The following resposive design aim to
  make #post-extend-wrapper margin-right same as pannel's width
*/
@media all and (min-width: 1200px) {
  #post-extend-wrapper {
    margin-right: 25%;
  }
}

@media all and (min-width: 1460px) {
  #post-extend-wrapper {
    margin-right: 300px;
  }
}

@media all and (min-width: 1650px) {
  #post-extend-wrapper {
    margin-right: calc((100% - 1150px) / 10 + 300px);
  }
}

@media all and (min-width: 1700px) {
  #post-extend-wrapper {
    margin-right: calc((100% - 1150px) / 8 + 300px);
  }
}