The web browser today seems almost more important than the operating system you use since most browsers are on more than one platform. I ran some speed tests a couple of weeks ago. These speed stats were what I found. #1 Opera 10.53 – 299.2ms #2 Chrome 5.0.

Border Radius– IE9 , FF3.6+ , Chrome Beta , Safari , Opera /*Rounded Corners Look and Feel*/ .radius{ border-radius:10px; /*IE9*/ -moz-border-radius:10px; -webkit-border-radius:10px; } Dropshadow– IE9 (maybe), FF3.6+ , Chrome Beta , Safari /*Webkit and Geko based shadow*/ .shadow{ box-shadow: 8px 8px 8px 4px #888; /*IE9*/ -webkit-box-shadow: 8px 8px 8px 5px #888; -moz-box-shadow: