docs/.vuepress/theme/src/styles/code.styl

@require './config'

.content
  code
    color $codeTextColor
    padding 0.25rem 0.5rem
    margin 0
    font-size 0.85em
    background-color rgba(27,31,35,0.05)
    border-radius 3px

.content
  pre, pre[class*="language-"]
    line-height 1.4
    padding 1.25rem 1.5rem
    margin 0.85rem 0
    background-color $codeBgColor
    border-radius 6px
    overflow auto
    code
      color #525252
      padding 0
      background-color transparent
      border-radius 0

div[class*="language-"]
  position relative
  background-color $codeBgColor
  border-radius 6px
  .highlight-lines
    user-select none
    padding-top 1.3rem
    position absolute
    top 0
    left 0
    width 100%
    line-height 1.4
    .highlighted
      background-color rgba(0, 0, 0, 66%)
  pre, pre[class*="language-"]
    background transparent
    position relative
    z-index 1
  &::before
    position absolute
    z-index 3
    top 0.8em
    right 1em
    font-size 0.75rem
    color rgba(255, 255, 255, 0.4)
  &:not(.line-numbers-mode)
    .line-numbers-wrapper
      display none
  &.line-numbers-mode
    .highlight-lines .highlighted
        position relative
        &:before
          content ' '
          position absolute
          z-index 3
          left 0
          top 0
          display block
          width $lineNumbersWrapperWidth
          height 100%
          background-color rgba(0, 0, 0, 66%)
    pre
      padding-left $lineNumbersWrapperWidth + 1 rem
      vertical-align middle
    .line-numbers-wrapper
      position absolute
      top 0
      width $lineNumbersWrapperWidth
      text-align center
      color rgba(255, 255, 255, 0.3)
      padding 1.25rem 0
      line-height 1.4
      br
        user-select none
      .line-number
        position relative
        z-index 4
        user-select none
        font-size 0.85em
    &::after
      content ''
      position absolute
      z-index 2
      top 0
      left 0
      width $lineNumbersWrapperWidth
      height 100%
      border-radius 6px 0 0 6px
      border-right 1px solid rgba(0, 0, 0, 66%)
      background-color $codeBgColor


for lang in js ts html md vue css sass scss less stylus go java c sh yaml
  div{'[class~="language-' + lang + '"]'}
    &:before
      content ('' + lang)

div[class~="language-javascript"]
  &:before
    content "js"

div[class~="language-typescript"]
  &:before
    content "ts"

div[class~="language-markup"]
  &:before
    content "html"

div[class~="language-markdown"]
  &:before
    content "md"

div[class~="language-json"]:before
  content "json"

div[class~="language-ruby"]:before
  content "rb"

div[class~="language-python"]:before
  content "py"

div[class~="language-bash"]:before
  content "sh"

.token
  color #5081da
.token.punctuation
  color #828282

div[class*="language-"] .highlight-lines .highlighted
  background-color: rgba(220, 220, 220, 0.66);