How do you target Internet Explorer in your CSS? Do you use CSS hacks, conditional stylesheets or something else?

It’s the perfect trollbait. There have been plenty of discussions about this, and I don’t mean to start a new one. Everyone’s entitled to their own opinion, but the thing is that it’s not purely a philosophical matter. I am writing this article because I noticed there’s a lot of misunderstanding on the subject of CSS hacks.

People have been advocating three different approaches: conditional stylesheets, CSS hacks, or conditional classnames. All these techniques have their pros and cons. Let’s take a look.

These hacks don't validate, but are 100% safe according to CSS parsing rules.