Fix perfectionist-test problems

[yisibl]

1. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/keyframes.css Undefined
2. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/font-face.css#L4-L6 No alignment
3. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/font-face.css#L16-L18 The comment was deleted.
4. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/supports.css
   Not supported @supports
5. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/media.css#L14 No newline
6. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/print.css#L2-L4 No alignment
7. https://github.com/yisibl/perfectionist-test/blob/master/perfectionist/counter-style.css#L7-L8 No alignment

[ben-eb]

Release 1.4.0 covers most of these. 😄