How it works ?
First, a created a website on Glitch, using HTML (for the content) and CSS (for the design). You can see the source code clicking right on the website, selecting "Source code display".
Then I created a Firebase database (
this one). I linked the website to the firebase DB thanks to this protocol :

Then, you can go on the second page of the website thanks to the button below and submit your book with a form. The second page is a
form, in which we use Skeleton. That is the code :