Just a heads-up that you can add your own button to the page if the default one doesn’t want to show. Simply open whatever page you have assigned to your woo ‘cart’ (default is /cart). Just link it to whatever you assign your ‘checkout’ page to (default is /checkout). cheers!
I’m having this same issue… I’ve upgraded everything to the latest ‘woo’ scripts etc. csandreas1’s CSS didn’t work either. No Checkout button on the cart page.
Quick follow-up—
We’re using the jquery fallback function call. W/out the function the date field doesn’t work in Safari (OSX). We tested the IOS version with and w/out the function call and the ‘Send’ button is still non-reactive either way.