疑似要素による修飾のテスト
1. single quot
@import 'importHack/single_quot.css';
2. double quot
@import "importHack/double_quot.css";
3. no quot url()
@import url(importHack/no_quot_url.css);
4. single quot url()
@import url('importHack/single_quot_url.css');
5. double quot url()
@import url("importHack/double_quot_url.css");
5. Data URI single quot
@import 'importHack/datauri_single_quot.css'
6. Data URI double quot
@import "importHack/datauri_double_quot.css"
7. Data URI single quot url()
@import url('importHack/datauri_single_quot_url.css')
8. Data URI double quot url()
@import url("importHack/datauri_double_quot_url.css")
9. Data URI evil
@import 'importHack/datauri_evil.css'