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