The clearest place to see this is if you visit www.bbc.co.uk - the clock (top-right) has a transparent background in Windows/Mac, and a nasty black background in Ubuntu. (Disclaimer: I work for the BBC).
The clearest place to see this is if you visit www.bbc.co.uk - the clock (top-right) has a transparent background in Windows/Mac, and a nasty black background in Ubuntu. (Disclaimer: I work for the BBC).