This tutorial will show you how to use the Letterpress stack in conjunction with the Tabulous stack to give the text of your tabs the little extra pizzaz.
You will need two Letterpress Box stacks for this, one for the active tab and one for the inactive tab. Drop them into a stacks page and one into the other one, like this:
Then on each Letterpress Box stack, you will need to change the Type in the Letterpress - Basic settings from All Text to Custom CSS Selector (within LB)