I blocked something with Opera's content blocker that I shouldn't have. The blocking rule I set now blocks some important part of a web page (probably a CSS file) and it messes up its entire layout. ...
I'm using a whole bunch of myself-written blocking rules for AdBlock Plus in Firefox (they are not overly complicated; new versions of ABP provide quite advanced syntax, but I'm not using it much). I ...
How do I make Opera replace all flash elements with a clickable button on them so that I can click on it to activate flash elements if need? This is what Flashblock plug-in for Firefox does.