Most of the time, even with CSS's error-tolerant parsing, this won't achieve anything. HTML pages just look too different from CSS to be successfully parsed as CSS.

Neowin speculates that the reason for this could be to start afresh: by confusing host websites with a new identifier, IE 11 might avoid having legacy CSS code thrown at it, dating back to the bad ...

Yes, we'll still be supporting IE 7 and IE 8 for some time, and yes, IE9 still lacks a few things, like support for CSS 3 text-shadows or HTML5's form elements, but it's a step in the right direction.

Woolly, the CSS sheep. Internet Explorer. That’s all you really need to say to raise a web designer’s blood pressure. And yes, we know IE is improving, but there are still plenty of users ...