Element block pseudo-class :active generated with overflow hidden font-size 16px float none background display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box padding 20px cursor default transform z-index auto height auto transition border-radius width 160px border 0px rgba(0,0,0,1) solid line-height 1 font-weight normal position static margin 10px text-shadow 1px 1px 1px rgba(0,0,0,0.2)