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