Mobile burger Menu gives errorneous menu

Hi,
my hamburger sub menu shows below content- how do i get it appear below menu bar. I did not change any positioning paramenters- by default it doesnt appear.

I have shared my screen shots



Here is my public share link: https://preview.webflow.com/preview/always-bhutan-travel?utm_source=always-bhutan-travel&preview=e7f6f723aa22bc6862d4cfabdd2a364f
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Looks like you have already fixed your problem?