Cannot see menu icon on tablet or mobile view

Good evening,

First issue: I cannot see my nav menu on the tablet view
Second issue: I cannot see the menu icon on either of the cell phone views

Any assistance that can be offered would be much appreciated.

Here is my site Read-Only: **https://preview.webflow.com/preview/danielles-firgun-landing-438aff7cb9a4ed?utm_medium=preview_link&utm_source=designer&utm_content=danielles-firgun-landing-438aff7cb9a4ed&preview=a685db766cf15aa2f6d17cf25ca75d7b&mode=preview
(how to share your site Read-Only link)