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