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