Hello,
I’ve checked the Checkout page and payment method background isn’t white:
http://i.imgur.com/gByKQzC.png
Try to check it in another browser.
Also I’ve added this code in custom.css file to increase the width of quantity box:
.quantity .qty {
width: 60px;
}
Please check it as well.
Thank you.
Regards,
Eva Kemp.