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