Fixing background “bleed” on elements that use CSS3 border-radius property

It’s kind of funny that I never encountered this problem before… it must just be extra-noticeable because of the colors on this particular website I’m working on. Anyway, I found that the nice buttons I was creating with CSS3 border-radius were displaying an ugly “bleed” of the background dark blue color beyond the edges of the white border. No good.


A little googling led to Mike Harding’s solution, a simple background-clip property in the CSS. (Yet another of the preponderance of new properties in CSS3 that I’m finding it harder and harder to keep up with.) If is to be believed, the vendor prefix is unnecessary. Let’s just go with this:

background-clip: padding-box;

Ah, that’s better!