HTML5 and CSS3 badge usage

Hello,
I have a question about using the HTML5 and CSS3 badges on my website. May I modify these badges to make them have a more 3-D and "shiny" look to them? I wouldn't want to be in any sort of copyright infringement. Just thought I'd ask permission first.
Thank you.

Received on Thursday, 15 September 2011 11:58:00 UTC