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