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