web/assets/css/post.scss

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

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

.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, #e9ecef);
  font-size: 0.85rem;
}

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

  @mixin post-nav-btn {
    width: 50%;
    position: relative;
    border-color: var(--main-border, #e9ecef);
  }

  .btn {
    @include post-nav-btn;
    color: var(--link-color, #2a408e);
  }

  .btn:hover {
    background: #2a408e;
    color: #fff;
    border-color: #2a408e;
  }

  .btn.disabled {
    @include post-nav-btn;
    pointer-events: auto;
    cursor: not-allowed;
    background: none;
    color: gray;
  }

  .btn.disabled:hover {
    border-color: none;
  }

  .btn.btn-outline-primary.disabled:focus {
    box-shadow: none;
  }

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

  a::before,
  span::before {
    color: var(--text-muted-color, gray);
    font-size: .65rem;
    text-transform: uppercase;
  }

  a:first-child,
  span:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    left: .5px;
  }

  a:last-child,
  span:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    right: .5px;
  }

  a:first-child::before,
  span:first-child::before {
    content: $prompt-older
  }

  a:last-child::before,
  span:last-child::before {
    content: $prompt-newer
  }
}


@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;
}

#toc-wrapper.topbar-down {
  top: 6rem;
}

#toc-wrapper>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;
}

#related-posts {
  .card {
    border: 1px solid var(--main-wrapper-bg, #f1f1f1);
    background-color: var(--card-bg);
    box-shadow: 0 0 5px 0 var(--main-wrapper-bg, rgba(234, 234, 234, 0.7686274509803922));
    -webkit-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
    h3 {
      color: var(--relate-post-title, #353a3d);
    }
  }

  .card: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(--text-muted-color, rgba(30, 55, 70, .4));
  }

  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;
  }

  ul>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;
}

.share-wrapper {
  vertical-align: middle;
  user-select: none;

  a:hover,
  i:hover {
    text-decoration: none;
    color: var(--link-color, #2a408e)!important;
  }

  .share-icon {
    font-size: 1.2rem;

    .fab.fa-twitter {
      color: var(--btn-sharing, rgba(29, 161, 242, 1.00));
    }

    .fab.fa-facebook-square {
      color: var(--btn-sharing, rgb(66, 95, 156));
    }
    .fab.fa-telegram {
      color: var(--btn-sharing, rgb(39, 159, 217));
    }

    .fab.fa-weibo {
      color: var(--btn-sharing, rgb(229, 20, 43));
    }

  } // .share-icon

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

} // .share-wrapper


.share-label {
  font-family: 'Oswald', sans-serif;
}

.share-label::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;
  }

  .post-tail-bottom>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;
  }

  .post .post-meta.flex-column {
    -webkit-box-orient: horizontal!important;
    -webkit-box-direction: normal!important;
    -ms-flex-direction: row!important;
    flex-direction: row!important;
  }
}

@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);
  }
}