Hello? Is this thing on?

So I discovered inset box-shadows in CSS...

box-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 1px 1px rgba(255,255,255,0.5) inset, 0 -1px 1px rgba(0,0,0,0.5) inset;

border: 1px solid rgba(0,0,0,0.2);