Wirelessly posted (Mozilla/5.0 (iPod; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)
Theming for the Mac is very risky, as Apple doesn't have an approved way of making themes. Make sure you have a backup of the file you're editing.