This tutorial shows you how to customize your Elementary OS top panel, including background color and transparency, auto hide panel, and show or hide Applications launcher.

Icadmac tutorial. This tutorial is going to show you an icon theme called ieos7, which is based on Mac Mountain Lion. This theme is created for Elementary OS Luna. I’ve tested it on Ubuntu 13.04 Raring Unity, and it works.

To get started, press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run command to edit the /usr/share/themes/elementary/gtk-3.0/app.css:

There you can change the value of panel background color and transparency as well as other colors, include Noise, Terminal, Notify, and more.

To apply changes, run:

To get slim wingpanel, run command below in terminal:

Then go to System Settings -> Tweaks -> Wingpanel Slim, there you can enable slim wingpanel, auto-hide panel, show / hide launcher.

Finally, my panel looks like: