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