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