here is how to get the foxkeh theme on your firefox browser:
1. you go to this site
https://addons.mozilla.org/en-US/firefox/addon/61982. then click add to add-ons.
3. after you add it, go to tools on the top of the internet browser window.
4. you will get a new window and then you click the tab titled "main".
5. click managa add-ons. which is towards the bottom of the window after you select the tab "main".
6. click the tab "themes".
7. select to use the foxkeh theme for your browser.
*and there you go. have fun =)