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