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