What is the name of the domain?
tadikabethanymontessori.com
What is the issue you’re encountering
My website is no longer accessible after I put it into Cloudflare
Does work now, except I see grey color screen and nothing else, despite assets loaded (in Network tab) 
Looks like Elementor and Rocket Loader conflict at first sight:
Otherwise, I’d suggest to disable all the plugins temporary and see if it works.
If yes, then re-enable one by one and see which one is causing this “screen of death” for your WordPress Website where body isn’t being loaded at all.
Furthermore, does Website work fine over HTTPS when Cloudflare is Paused?
- Use the “Pause Cloudflare on Site” option from the Overview tab for your domain at dash.cloudflare.com .
- The link is in the lower right corner of that page.
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