Instead of a play button, a girl is shown

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I have the code above at
if a user opens the page with chrome of deskTop, a girl is shown. and when the user clicks the play button on the bottom, she is dancing. but with a browser of mobile phone it is different from the browser of deskTop and it is like the followig.

I like to make it like the target result below.

Can I make it my target result above with your help?