Mobile-version menu jumping around when clicked

I am an absolute newbie at this and for some reason I cannot comprehend, the menu jumps from its place when you click it. Could someone help me? :frowning:

Here’s my read-only link! https://preview.webflow.com/preview/marias-stupendous-project-1053c00ab0d1b?utm_medium=preview_link&utm_source=designer&utm_content=marias-stupendous-project-1053c00ab0d1b&preview=e048160f38fb80ea49be2012a05063eb&workflow=preview

Same problem here… Anyone?