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