sergio.am/_sass/klise/_post.scss

// Post wrapper
.wrapper.post {
  @include media-query($on-mobile) {
    padding-left: $spacing-half;
    padding-right: $spacing-half;
  }
}

// Post title
.header {
  margin-top: 3em;
  margin-bottom: 3em;

  .tags {
    margin-left: 3px;
    letter-spacing: 0.5px;

    .tag {
      font-weight: $bold-weight;
      font-size: $small-font-size - 2;

      &:hover {
        text-decoration: none;
      }
    }
  }

  .header-title {
    font-size: 2em;
    line-height: 1.2;
    margin-top: 10px;
    margin-bottom: 20px;

    &.center {
      text-align: center;
    }

    @include media-query($on-mobile) {
      font-size: 1.9em;
    }
  }
}

// Post meta
.post-meta {
  padding-top: 3px;
  line-height: 1.3;
  color: $gray;

  time {
    position: relative;
    margin-right: 1.5em;

    &::after {
      background: $light;
      bottom: 1px;
      content: " ";
      height: 2px;
      position: absolute;
      right: -20px;
      width: 12px;
    }
  }

  span[itemprop="author"] {
    border-bottom: 1px dotted $light;
  }
}

// Post content
.page-content {

  iframe {
    text-align: center;
  }

  figure {
    img {
      border-radius: 2px;
    }

    figcaption {
      margin-top: 5px;
      font-style: italic;
      font-size: $small-font-size;
    }
  }

  a {
    color: $text-link-blue;
    text-decoration: none;
    &[target="_blank"]::after {
      content: " \2197";
      font-size: $small-font-size;
      line-height: 0;
      position: relative;
      bottom: 5px;
      vertical-align: baseline;
    }

    &:hover {
      color: $text-link-blue-active;
    }

    &:focus {
      color: $text-link-blue;
    }
  }

  > p {
    margin: 0;
    padding-top: $spacing-full - 15;
    padding-bottom: $spacing-full - 15;
  }

  ul.task-list {
    list-style: none; 
    margin: 0;

    li::before {
      content: "";
    }

    li input[type="checkbox"] {
      margin-right: 10px;
    }
  }

  dl dt {
    font-weight: $bold-weight;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    color: $black;
    font-weight: $bold-weight;
    margin-top: $spacing-full;
    margin-bottom: 0;

    &:hover {
      .anchor-head {
        color: $text-link-blue;
        opacity: 1;
      }
    }

    .anchor-head {
      position: relative;
      opacity: 0;
      outline: none;

      &::before {
        content: "#";
        position: absolute;
        right: -3px;
        width: 1em;
        font-weight: $bold-weight;
      }
    }
  }

  h1 {
    @include relative-font-size(1.5);
  }

  h2 {
    @include relative-font-size(1.375);
  }

  h3 {
    @include relative-font-size(1.25);
    border-bottom: 1px solid $light;
    padding-bottom: 4px;
  }

  h4 {
    @include relative-font-size(1.25);
  }

  h5 {
    @include relative-font-size(1);
  }

  h6 {
    @include relative-font-size(0.875);
  }
}

.post-nav {
  display: flex;
  position: relative;
  margin-top: 3em;
  border-top: 1px solid $light;
  background: $light;
  background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(236,236,236,1) 50%, rgba(0,0,0,0) 100%);
  line-height: 1.4;

  .post-nav-item {
    border-bottom: 0;
    font-weight: $bold-weight;
    padding-bottom: 10px;

    .post-title {
      color: $black;
    }

    &:hover,
    &:focus {
      .post-title {
        color: $text-link-blue-active;
        opacity: 0.9;
      }
    }

    .nav-arrow {
      font-weight: $normal-weight;
      font-size: $small-font-size;
      color: $gray;
      margin-bottom: 3px;
    }

    width: 50%;
    padding-top: 10px;
    text-decoration: none;
    box-sizing: border-box;

    &:nth-child(odd) {
      padding-left: 0;
      padding-right: 20px;
    }

    &:nth-child(even) {
      text-align: right;
      padding-right: 0;
      padding-left: 20px;
    }
  }

  @include media-query($on-mobile) {
    display: block;
    font-size: $small-font-size;

    .post-nav-item {
      display: block;
      width: 100%;
    }

    .post-nav-item:nth-child(even) {
      border-left: 0;
      padding-left: 0;
      border-top: 1px solid $light;
    }
  }
}

.post-updated-at {
  font-family: "JetBrains Mono", "monospace";
}