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