Why is my menu overlay's format changing when closing?

Hi all,

Having an issue when closing my menu overlay. Everything is working great, but when I close the menu, it looks like my flex settings are changing. Can’t find anyone else running into this problem, but I can’t find where I went wrong. Any ideas?

Menu when open:

Menu right after clicking close:

https://preview.webflow.com/preview/ccs-marvelous-site-69e309?utm_medium=preview_link&utm_source=designer&utm_content=ccs-marvelous-site-69e309&preview=9e69d6eb86d8cf5b95af256708e95634&pageId=6244a326ecc2ed7e3b06d0fd&workflow=preview