DV Magic coupons is a WordPress based plugin which can magically turn your WordPress theme into a coupons site.
Yes! This will automatically transform your site into a coupon site, you just need to install DV Magic Coupons plugin and then activate it. It will do the magic.
Yes, any theme can be transformed into coupon theme with DV Magic theme however the only limit is the theme should be blog style theme.
Yes, DV Magic Coupons allow you to use your own CSS. You can visit the DV Magic Coupon setting page in your admin panel to allow external CSS. It can pick up styles from your theme in use.