Damyan Ivanov wrote:
1) using white background for the body element or 2) making the rounded corners transparent, instead of white
There will be problems with 2) and IE which supports alpha channel in PNG in version 7.0 but not in 6.0. It's solvable[1] but 1) is much easier :-)
Regards, Ognyan Kulev[1] http://debian.fmi.uni-sofia.bg/~ogi/blog/archives/224-24-bitov-PNG-s-alfa-kanal-za-prozrachnost-transparency-za-IE.html