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