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