Inner glow effect of button

Question

I want to have inner glow effect of button when focused. I could achieve outline (outer) glow of button but I even want to have inner glow effect. Could anyone help?

Answer 1

use box-shadow inset:

.class{
  box-shadow:inset 2px 2px 2px 2px black;
}

http://www.css3.info/preview/box-shadow/