Facebook is the most famous social networking site with awesome apps and games. But unlike orkut, Facebook does not support themes. But you can install themes on Facebook by just using a simple trick. So you just need to follow the steps given below to successfully install themes on Facebook.
Step 1 : Open Firefox browser.If you don't have you can download it from here.
Step 2 : Now Download Stylish add-don for Firefox From here.
Step 3 : After installation is complete restart your browser.