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