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