Element block pseudo-class :active generated with padding 20px width 160px position static line-height 1 z-index auto background box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none font-weight normal transform margin 0px display block height auto border-radius overflow hidden transition box-sizing content-box border 0px rgba(0,0,0,1) solid font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default