Everyday I visit some websites regularly. Some of them have great content but terrible design. So is there a way to use custom css rules for that ones, without changing every time in Firebug? For example, I want use line-height:1.5 for a blog to read easily and save that rule for the next time.
closed as off topic by Vitaly Mijiritsky, DA01, JonW♦ Dec 19 '12 at 8:51
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On every (newer) browser there is always the option of using custom CSS. In chrome there is even an extension called Stylebot, which let you use different custom CSS on different sites: