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