Hamburger animation on load

Hey guys, So i am having a little weird issue. I got a template and im working still. So the weird thing is, when the site is loaded in mobile, it will load the hamburger menu extremely fast like flash the screen with the menu then disappear and load the home page. Has anyone has this issue?

here is the link for the project,
https://preview.webflow.com/preview/arctic-lynx-media-design?utm_medium=preview_link&utm_source=designer&utm_content=arctic-lynx-media-design&preview=98ef1fe6c7d4ea1322f1849f4ab0d566&mode=preview

here is the link for the site.