Note: Not all of the pet listings are clickable. Scroll down to "Terry" and hit "view more details." If you're ever confused what's clickable, they'll highlight in blue when you click anywhere on the screen!
I here ya! That's why I highly recommend:
Function first
Form second!
To start, I would try to focus on breaking everything down into components and building out the HTML you need to display. Just throw a couple lines of CSS to give the user an idea of how to use the app.
Here's an example of a minimal interface: