chromium/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-181.css

 .cs { color: green; }
 .cs P { background: red; color: yellow; }
 .cs .a { background: red; color: yellow; }
 .cs .span1 span { background: red; color: yellow; }
 .cs .span2 { color: red; }
 .cs .span2 SPAN { color: green; }
 .cs .span2 span { background: red; color: yellow; }
 .ci { color: red; }
 .ci P { background: green; color: white; }
 .ci .a { background: green; color: white; }
 .ci .span1 span { background: green; color: white; }
 .ci .span2 SPAN { background: green; color: white; }