user can't fill out input fields without holding "ctrl"

I’ve added a CF7 form but the user can’t fill out the form unless they hold “ctrl” while clicking on field they want to fill out. Just clicking on the box doesn’t do anything!

Any tips on what’s gone wrong?

https://www.koek-koek.nl/#contact

Thanks!

https://www.ads-software.com/plugins/contact-form-7/