Problem with nav links changing position after custom code embedded

Design help General
#1

Hi,

My navigation links jump to the left after embedding knack calendar on a page. Please help on how to fix it. Thanks!

Here is my site Read-Only: LINK
(how to share your site Read-Only link)

#2

Can you post your read only link please?

#3

Hi DFing,

https://preview.webflow.com/preview/taiyi-institute?utm_medium=preview_link&utm_source=dashboard&utm_content=taiyi-institute&preview=451599090497f38d443612f2016901eb&mode=preview

Password: taiyi123, under Treatment -> Book a Distance Treatment.

Thank you!