Contact form 7 glitch

Hi there,

we’ve installed contact form 7 on our website (as a test page at the moment). When we preview the page though, we cannot click in the first box of the form (normally “Your Name”). We’ve tried to swap “Your Name” with “Your Email” in the contact form but it still doesn’t work (the second box below is clickable though and if we press “shift” and “tab” we can then move into the first box). Here is the page address: https://www.ionproducts.eu/contact-us-form.
Any idea?

Best regards