Just need to be pointed in the right direction

I have a form that users can enter their content and images. I am able to store this in Firebase but I want the user to also be able to edit the color, fontstyle, size, etc… of their content and display this completed form with all the edits done with the images on the web and generating a url for it.

Just need to be pointed on the right approach to get this all done.

Thanks,