Features
- parse css string.
- parse css file.
- parse multiple css data sources at once.
- output to inline stylesheet declarations.
- output to document internal stylesheet declarations.
- output to standalone stylesheet declarations.
- output to Array of definitions.
- output to string.
- output to file.
- search for selectors and/or properties using Perl-compatible pattern.
- check validity of CSS data source.
- support of At Rules.