GreaseMonkey

[Marcus Williams]

Peter Grandi wrote:
>> [ ... ] script which set background of all texarea and input
>> element to black and foreground to white. Any suggestion?
>
> It may be more appro[riate to use CSS overrides ('userChrome.css').

My bugbear with userChrome is you cant target certain sites with it 
(unless they include a css signature [1]) and I'm not sure if you have 
to restart the browser to get it included. Greasemonkey (and its css 
equivalent Stylish [2]) get around this.

Marcus

[1] http://archivist.incutio.com/viewlist/css-discuss/13291
[2] https://addons.mozilla.org/en-US/firefox/addon/2108