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Vimeo background video with button that shows cancel muted by tapping

I put the vimeo background video with muted and when I open my site by phone, it shows like "Cancel muted by tapping ".

How can I delete this? it is just shown when it opens by phone.

Thank you.

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

please, anyone help me out? I’m totally stuck.