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