/// <summary>
/// Cleans/compresses several aspects of CSS code.
/// </summary>
/// <remarks>
/// This should be everything...
/// </remarks>
/// <param name="css">The string value of the file(s).</param>
/// <returns>A minified version of the supplied CSS string.</returns>
public static string MakeItUgly( string css )
{
var colors = new ColorConversions();
// Clear the lists
_urls.Clear();
_data.Clear();
_contents.Clear();
// Insert placeholders
SwapForPlaceholders( ref css );
// Run through the rest of the minify methods
InitialCleaning( ref css );
CleanSelectors( ref css );
CleanBraces( ref css );
CleanUnnecessary( ref css );
ConvertColors( ref css );
CompressHexValues( ref css );
css = colors.SwapOutNames( css );
FixIllFormedHsl( ref css );
// 'transparent' == rgba(0,0,0,0) == hsla(0,0%,0%,0)
// Should be fine, if it supports Alpha should support the 'transparent' color literal
// ...right?
css = css.Replace( "rgba(0,0,0,0)", "transparent" )
.Replace( "hsla(0,0%,0%,0)", "transparent" );
// Replace placeholders
ReplacePlaceholders( ref css );
// Return the string after trimming any leading or trailing spaces
return css.Trim();
}