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