hexo-theme-next/source/css/_common/scaffolding/highlight/highlight.styl

@import hexo-config('highlight.file');
$highlight-background = convert(hexo-config('highlight.background'));
$highlight-foreground = convert(hexo-config('highlight.foreground'));
$highlight-gutter     = {
  color: mix($highlight-background, $highlight-foreground, 10%),
  bg-color: mix($highlight-background, $highlight-foreground, 90%)
};

@import 'copy-code' if (hexo-config('codeblock.copy_button.enable'));

// Placeholder: $code-block
$code-block {
  background: $highlight-background;
  color: $highlight-foreground;
  line-height: $line-height-code-block;
  margin: 0 auto 20px;
}

pre, code {
  font-family: $code-font-family;
}

code {
  background: $code-background;
  border-radius: 3px;
  color: $code-foreground;
  padding: 2px 4px;
  word-wrap();
}

.highlight {
  @extend $code-block;
  position: relative;

  pre {
    border: 0;
    margin: 0;
    padding: 10px 0;
  }

  table {
    border: 0;
    margin: 0;
    width: auto;
  }

  td {
    border: 0;
    padding: 0;
  }

  figcaption {
    background: $highlight-gutter.bg-color;
    color: $highlight-foreground;
    display: flex;
    font-size: $table-font-size;
    justify-content: space-between;
    line-height: 1.2;
    padding: .5em;

    a {
      color: $highlight-foreground;

      &:hover {
        border-bottom-color: $highlight-foreground;
      }
    }
  }

  .gutter {
    disable-user-select();

    pre {
      background: $highlight-gutter.bg-color;
      color: $highlight-gutter.color;
      padding-left: 10px;
      padding-right: 10px;
      text-align: right;
    }
  }

  .code pre {
    background: $highlight-background;
    padding-left: 10px;
    width: 100%;
  }
}

.gist table {
  width: auto;

  td {
    border: 0;
  }
}

pre {
  @extend $code-block;
  overflow: auto;
  padding: 10px;

  code {
    background: none;
    color: $highlight-foreground;
    font-size: $table-font-size;
    padding: 0;
    text-shadow: none;
  }
}