// Random Stylesheet for testing, with no mark

$pixelBase = 10

u( $values )
    $list = unquote( "" )
    $unit = ""

    for $value in $values
        if ( $value == "auto" ) or ( $value == "inherit" )
            $unit = "string"
        else
            $unit = unit( $value )

        if ( $value == 0 ) or ( $unit != "" )
            append( $list, $value )
        else
            if $usePixels
                append( $list, unit( $value, "px" ) )
            else
                append( $list, unit( ( $value / $pixelBase ), "rem" ) )

    return $list

fslh( $font-size, $line-height )
    return unquote( "" + u( $font-size ) + "/" + u( $line-height ) + "" )

centering( $position = absolute, $top = 0, $right = 0, $bottom = 0, $left = 0, $margin = auto )
    position: $position
    top: $top
    right: $right
    bottom: $bottom
    left: $left
    margin: $margin