How to Change your Facebook Themes from Blue to Other colour

How to Change your Facebook Themes from Blue to Other colour, sometimes am just tired of this same Facebook themes, and i know you also are, and sometime i dont really want people to know am on facebook, due to so many disturbance, so i decided to change the themes from blue so many people to to somethings different.. Enough  talk lets Get to work
Follow the step by step guide below and you are there

1. Open Mozilla Firefox and install 'Stylish' addon.
2. Follow the basic steps to install the addon.
3. Restart Firefox after successfully installing the Stylish addon.
4. Login to your Facebook Account and click on the small 'S' button in your Firefox status bar.
5. Click on "Find Styles for this Site" to open a new tab with free themes to use for Facebook.
6. Click on any theme and a preview will be shown.
7. If everything is fine in the previewed theme, click on "Install with Stylish" button at the top right corner of the page.
8. A dialog box will open.
9. Click on Install in the dialog box.

Guest what you have just change your Facebook themes to different colour, each time u login to Facebook, your friends will be deceived , and will not know if you are chatting on Facebook
Lets know if this tricks work for you by leaving a comment below, your comment will be fully appreciates