if hexo-config('custom_css.body.highlight.language') == true
  pre
    &:before
      position: absolute
      top: 0
      right: 0
      color: var(--color-meta)
      font-size: 13px
      padding: 4px 8px
    &.language-md:before,&.markdown:before
      content: "md"
    &.language-yaml:before
      content: "YAML"
    &.language-json:before
      content: "JSON"

    &.language-html:before
      content: "HTML"
    &.language-js:before,&.language-javascript:before
      content: "JS"
    &.language-css:before
      content: "CSS"
    &.language-less:before
      content: "Less"
    &.language-stylus:before
      content: "Stylus"

    &.language-bash:before
      content: "bash"
    &.language-shell:before
      content: "shell"
    &.language-sh:before
      content: "sh"
    &.language-ini:before
      content: "ini"

    &.language-c:before
      content: "C"
    &.language-cpp:before
      content: "C++"
    &.language-objc:before,&.language-objectivec:before
      content: "Objective-C"
    &.language-swift:before
      content: "Swift"

    &.language-java:before
      content: "Java"
    &.language-python:before
      content: "Python"
    &.language-php:before
      content: "PHP"
    &.language-rust:before
      content: "Rust"
    &.language-sql:before
      content: "SQL"
    &.language-ruby:before
      content: "Ruby"
    &.language-makefile:before
      content: "Makefile"
    &.language-go:before
      content: "Go"
    &.language-typescript:before
      content: "TypeScript"