I am currently running Ubuntu 14.04 on my system.
The other day I found this cool theme meant for the cinnamon desktop and downloaded the zip file of that theme. I extracted it to
/usr/share/themes but I couldn't find it on unity-tweak tool or ubuntu-tweak.
I also tried to install it using the 'install theme' option in Ubuntu-tweak, but it said it's an invalid theme file.
Is there any way to make this work? Or do I need a cinnamon desktop to install that theme?