How to fix "tabs on top"

How do I fix "tabs on top"?

Try this:  https://www.pclinuxos.com/forum/index.php/topic,159671.msg1378896.html#msg1378896

Uh, well, I thought Mercury was like FF, but it is different. Oh well.

Follow the instructions for firefox and place the chrome folder with the userChrome.css file in .mercury/1jva9mdf.default-default/



Tabs are now below the address bar at the bottom

Able to do the same in Midori