Menu button is not working

Hello everyone,

I am currently developing a site and it’s my first webflow site. For some reason, the menu button won’t open anything when you click on it.

Here’s the read-only link:

https://preview.webflow.com/preview/unquiets-site-1?utm_medium=preview_link&utm_source=designer&utm_content=unquiets-site-1&preview=08b6fa4b1d78c770a7225afd1a7e1db9&pageId=626e68b9c8c6549a995873ed&workflow=preview

Any ideas?
Thank you!!