• Download add-ons Stylish :
https://addons.mozilla.org/en-US/firefox/addon/stylish/
• restart Firefox
• To view facebook layout please download at :
http://userstyles.org/styles/browse/facebook
• then click install with Stylish
• Open your facebook and see the changes :)
If you want to change the layout of the others please click :
• Tools >>> Add-ons Styles >>> User >>> disable or enable to replace a different look at your facebook.
