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