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