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