$foreground:    #000 !default;
$background:    #fff !default;
$string:        #080 !default; // string content
$keyword:       #008 !default; // a keyword
$comment:       #800 !default; // a comment
$type:          #606 !default; // a type name
$literal:       #066 !default; // literal value
$punctuation:   #660 !default; // punctuation
$open_bracket:  #660 !default; // lisp open bracket
$close_bracket: #660 !default; // lisp close bracket
$markup_tag:    #008 !default; // a markup tag name
$markup_attr_n: #606 !default; // a markup attribute name
$markup_attr_v: #080 !default; // a markup attribute value
$declaration:   #606 !default; // a declaration
$variable:      #606 !default; // a variable name
$function:      #f00 !default; // a function name
$linenums:      $comment !default; // Line numbers

$font-family: Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Consolas, monospace;

@mixin prettyprint() {
  .prettyprint {
    background: $background;
    font-family: $font-family;
    border: 0 !important;
  }

  .pln {
    color: $foreground;
  }

  @media screen {
    /* string content */
    .str {
      color: $string;
    }

    /* keyword */
    .kwd {
      color: $keyword;
    }

    /* comment */
    .com {
      color: $comment;
    }

    /* type name */
    .typ {
      color: $type;
    }

    /* literal value */
    .lit {
      color: $literal;
    }

    /* punctuation */
    .pun {
      color: $punctuation;
    }

    /* lisp open bracket */
    .opn {
      color: $open_bracket;
    }

    /* lisp close bracket */
    .clo {
      color: $close_bracket;
    }

    /* markup tag name */
    .tag {
      color: $markup_tag;
    }

    /* markup attribute name */
    .atn {
      color: $markup_attr_n;
    }

    /* markup attribute value */
    .atv {
      color: $markup_attr_v;
    }

    /* declaration */
    .dec {
      color: $declaration;
    }

    /* variable name */
    .var {
      color: $variable;
    }

    /* function name */
    .fun {
      color: $function;
    }
  }

  /* Specify class=linenums on a pre to get line numbering */
  ol.linenums {
    margin-top: 0;
    margin-bottom: 0;
    color: $linenums;
  }

  li.L0,
  li.L1,
  li.L2,
  li.L3,
  li.L4,
  li.L5,
  li.L6,
  li.L7,
  li.L8,
  li.L9 {
    padding-left: 1em;
    background-color: $background;
    list-style-type: decimal;
  }
}