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