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