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