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Responsivness depending on an other element

I would like to know if there is anyway to fix the responsivness of one element to an other.
For exemple, I would like to put an element to a part of my picture to make it clickable. But I would like the element to stay at the same position on my picture regardless of the size of the screen…

You can see an example on the page below when you resize it :
Do anyone have trick to do that?

Thank you in advance for your help !