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What's the best way to attack my design layout?

I have a design I created for a daycare mockup and visually It’s shaping out fairly close to how it’s supposed to look but when I switch screen sizes it completely breaks apart. If someone could take a look and give me any advice on the best way to approach this design that would be great!

read-only link: https://preview.webflow.com/preview/daycare-mockup?utm_medium=preview_link&utm_source=designer&utm_content=daycare-mockup&preview=2a3155dd0c9a457fffb05e7accd18c86&mode=preview