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