.daohang a#coupon{font-weight:bold;text-decoration:none;background-repeat:no-repeat;text-align:center;color:#fff;color:#fff}.blue .daohang a#coupon{background-color:#3592e2}.green .daohang a#coupon{background-color:#42b712}.orange .daohang a#coupon{background-color:#f78015}.red .daohang a#coupon{background-color:#c40000}