Fun With Blurred Text. Making text blurry is pretty easy.
Just make the color transparent and set a text-shadow. That's dangerous though, because there are browsers that support color but not text shadow, so the end result would be totally invisible text. Of course, the solution is to feature detect and only apply this effect if you are in a browser that supports it: Writing Efficient CSS: Understand Your Selectors. Understanding how browsers parse CSS and render websites is an important first step towards writing more efficient code.
In this first piece on efficient CSS, we look at selectors, how the browser reads them, and how to make yours more efficient–plus a few tips on how to include stylesheets in your projects. How the Browser Reads Selectors The foundation of writing efficient CSS is knowing how browsers parse selectors. Experiments with cascading style sheets.