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