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