hugo-theme-zzo/assets/sass/pages/_single.scss

.single {
  padding: 1rem;
  position: relaitve;
  width: 100%;

  &__title {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: $single_title_font;
    line-height: 3rem;
    @include themify($themes) {
      color: themed("single-header-title-color");
    }
  }

  &__meta {
    @include flexbox();
    @include align-items(center);
  }

  &__contents {
    font-size: 1rem;
    font-family: $single_contents_font;
    margin: 1rem 0;
    line-height: 1.7rem;
    width: inheirt;
    max-width: inherit;
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      position: relative;
      @include themify($themes) {
        color: themed("single-contents-title-color");
      }
      line-height: 1.25;
    }

    h1 {
      font-size: 2.6rem;
      margin: 3.5rem 0 1.75rem 0;
    }

    h2 {
      font-size: 2.2rem;
      margin: 3.2rem 0 1.5rem 0;
      padding: 0;
      color: inherit;
      font-weight: 900;
      text-rendering: optimizeLegibility;      
    }

    h3 {
      font-size: 1.8rem;
      margin: 2.8rem 0 1.25rem 0;
    }

    h4 {
      font-size: 1.5rem;
      margin: 2.4rem 0 1rem 0;
    }

    h5 {
      font-size: 1.2rem;
      margin: 2rem 0 0.8rem 0;
    }

    h6 {
      font-size: 1rem;
      margin: 1.5rem 0 0.5rem 0;
    }

    pre {
      @include themify($themes) {        
        background-color: themed("content-pre-background-color");
      }
      border-radius: 0.5rem;
      position: relative;
      padding: 1rem;
      margin: 2rem 0 2rem 0;
      width: 100%;
      line-height: 1rem;
      overflow-x: auto;
      white-space: pre;
      word-wrap: normal;

      code {        
        @include themify($themes) {
          color: themed('content-code-color');
          background-color: transparent;
        }
      }
    }

    code {
      border-radius: 0.25rem;
      font-size: 0.9rem;
      padding: 0.2rem;
      overflow-x: auto;
      @include themify($themes) {
        background-color: themed("content-code-background-color");
      }
      a {
        text-decoration: none;
      }
    }

    code + .copy-to-clipboard {
      margin-left: -1px;
      border-left: 0 !important;
      font-size: inherit !important;
      vertical-align: middle;
      height: 21px;
      top: 0;
    }

    .copy-to-clipboard {
      @include clippy();
      background-position: 50% 50%;
      background-size: 16px 16px;
      background-repeat: no-repeat;
      width: 27px;
      height: 1.45rem;
      top: -1px;
      display: inline-block;
      vertical-align: middle;
      position: relative;      
      margin-left: -0.2rem;
      cursor: pointer;
      border-radius: 0 2px 2px 0;
      margin-bottom: 1px;
      @include transition(all, 0.2s, ease);
    }
    .copy-to-clipboard:hover {
      @include translateY(-0.05rem);
    }
    pre .copy-to-clipboard {
      position: absolute;
      right: 4px;
      top: 4px;      
      border-radius: 2px;
      @include transition(all, 0.2s, ease);
    }
    pre .copy-to-clipboard:hover {
      @include translateY(-0.05rem);
    }

    blockquote {
      margin: 0 1.75rem 1.75rem 1.5rem;
      padding: 0 0 0 1.42188rem;
      font-size: 1.20112rem;
      line-height: 1.75rem;
      color: inherit;
      font-style: italic;
      opacity: 0.8;
      @include themify($themes) {
        border-left: 0.32813rem solid themed("single-blockquote-border-color");
      }
    }

    img {
      display: block;
      border-radius: 0.25rem;
      margin: 0 auto;
    }

    p {
      margin: 0 0 1.75rem 0;
      padding: 0;
    }

    a {
      text-decoration: underline;
    }

    ul {
      margin-right: 0;
      margin-top: 0;
      padding: 0;
      margin-bottom: 1.75rem;
      list-style: disc outside none;
    }

    li {
      margin-left: 2rem;
      margin-bottom: calc(1.75rem / 2);
    }

    hr {
      margin: 0 0 calc(1.75rem - 1px) 0;
      padding: 0;
      border: none;
      height: 1px;
      @include themify($themes) {
        background: themed("single-hr-background-color");
      }
    }

    .anchor {
      cursor: pointer;
    }
  }
}