Add To Cart Problem on iPhone 5s

Hi there,

i need your help..

My customer who’s using iPhone 5s (currently 2 person), saying that they cannot find the “add-to-cart” button, after they select their t-shirt size, and colour.

did anyone facing the problem like me? i’m using the latest woocommerce.

here is my site:

http://www.ocean7cloth.com

need your help please.

https://wordpress.org/plugins/woocommerce/