$background:    #000;
$foreground:    #fff;
$string:        #6f0;
$keyword:       #f60;
$comment:       #93c;
$type:          #458;
$literal:       #458;
$punctuation:   $foreground;
$open_bracket:  $foreground;
$close_bracket: $foreground;
$markup_tag:    $foreground;
$markup_attr_n: #9c9;
$markup_attr_v: #6f0;
$declaration:   $foreground;
$variable:      $foreground;
$function:      #fc0;
$linenums:      darken($foreground, 60%);