Hey Gitte,
Unfortunately, it would require quite some time and customization of the theme to achieve this, so I am sorry to tell you that this is not covered by our support. However, if it’s really important for you to get this done, you can always hire a freelancer to do the job for you :)
Best regards,
Basilis
@guenni007 do you have already tested it?
Hi,
Please try this solution, basically you will add jQuery to your functions.php and add custom classes to the button and the container to show and hide.
Best regards,
Mike