How can I blur a whole page using CSS? Other elements such as images are allowed.
Whatever you are trying to do, if it's not just for fun, don't do it :)
I think you'd have to loop all elements trough the blur filter which only works with IE and not with firefox.
Here's an ugly solution to achieve an IMO ugly blur in FF: http://kilianvalkhof.com/2008/css-xhtml/cross-browser-text-shadow/