Fix bracket for count() argument

Merge pull request #26 from umulmrum/master

Fix bracket for count() argument

Adapt to PHP 7.2

Merge pull request #24 from jtojnar/php72

Fix compatibility with PHP 7.2

Fix @keyframes double quotes

Merge pull request #17 from woecifaun/patch-1

Fix @keyframes double quotes

3.0.3: Merge pull request #11 from mlocati/fix-fontface-natxet

fixed typo in CssParserPlugin class
Add type: library to composer.json
Fix parsing @font-face