Can't close reveal with mixin

Hello!

Im using reveal with mixin and had some trouble closing it. Browsing the source code i realized the it uses a .reveal-modal.open selector. The problem with this is when i use reveal with a mixin, it wont have the reveal-modal class. I fixed it by replacing the 'open' class with a "reveal-modal-open" class and the ".reveal-modal.open" selector with ".reveal-modal-open".

Best regards,
Adam