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