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