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