Keyboard Font for LaTeX
So the result looks like:
Press F5 for help.
I've checked the fancybox package, but it only includes three patterns: doublebox, ovalbox, shadowbox. I need something like buttonbox.
It is also possible to get it with
for a newer system, like TL2014 runt this document with
Improving a little on Ger's answer:
Maybe a short tikz command can help you to do it