Horizontal Scroll Bar

[tonyis3l33t]

I've been having a rought time trying to find how to place a horizontal scroll bar in there.

My goal: to have a long horizontal tab bar that can be scrolled through horizontally.

I'm attempting to acheive something similar to the options window where you push a button to see a different thing in another window...only with a MUCH longer list.
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VOLCANO VAPORIZER