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