The third argument is always optional
Added blend-mode
Extension for frequencies
Added documentation
Included ratio converter
Added file
Removed CssImages
Removed file
Corrected string
Improved subset
Improved the optional and split converters
Lazy loading for the default style sheet
Simplified and improved
Transform finished
Simplified
Changed order
Removed unit type and started reworking value model
Public ICssObject
Removed files
Improved options converter (only work with copy)