Avoid large layout shifts of the pagespeed analyze

I used pagespeed to analyze my website, it shows “Avoid large layout shifts 3 layout shifts found” in the desktop analyze. It shows “Media element lacking an explicit size” and “Web font loaded” problem, there is the picuture in the attachment.
I tell you the website link in the private content.
Please tell me how to fix the problem.

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Hello,

I would like to request temporary admin access so I can look at the settings there better.

Thank you for your time.

Kind Regards

[Author]

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