The recommended way to install user styles is to use Firefox with Stylish.
If you already have Firefox with Stylish, make sure this site is allowed to run JavaScript.
You've installed this user style in Stylish. To uninstall it, open the Tools menu, choose Add-ons, click the User Styles panel on the top, click on the entry for this user style, and click Uninstall.
You've installed this user style in Stylish. To uninstall it, open the Tools menu, choose Stylish, and remove the entry from there.
You've installed this user style in Stylish. To uninstall it, click the wrench icon, Extensions, click Options beside the entry for Stylish, and click delete for the appropriate entry.
You've installed this user style in Stylish, but a newer version is available.
To uninstall this user style, open the Tools menu, choose Add-ons, click the User Styles panel on the top, click on the entry for this user style, and click Uninstall.
The recommended way to install this user style is to .
facebook -- new banner added, blue colour scheme implemented, minor layout changes. There are probably some holes in it, as I only played with the home news feed look and profiles, but most other things seem to have fallen into place. Not sure how adverts will look, as they're either adblock'd or greasemonkey'd out for me, but I'm pretty sure I've removed the obvious ones anyhow.
*UPDATE Feb 11th * Results on search page slightly changed to have more different colours. Few other minor modifications, and screenshot updated. I also recommend userstyles.org - don't resize screenshots, for those who don't have it.