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