How to fixed a button on mobile IOS


The ‘Subscribe’ button don’t work on IOS.
You need to press ‘return’ to Subscribe.

If anyone have a tips to fixed that.
I have look on the Logic / Mailchimp and the Designer but I can’t fixed it,

I don’t have this problem on the Contact-Form from the Contact Page.

Maybe is a Footer issue… IDK HELP please

From my website