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