Ian Hickson
p { background: green; color: white; }
.t1.fail { background: red; color: yellow; }
.fail.t1 { background: red; color: yellow; }
.t2.fail { background: red; color: yellow; }
.fail.t2 { background: red; color: yellow; }
/* Note: This is a valid test even per CSS1, since in CSS1 those rules
are invalid and should be dropped. */