How can I tell how a website was built?

In Chrome, Firefox, and Safari you can right-click anywhere on a page and select “Inspect” and that will show you the code used on that particular web page. In some browsers, like Chrome, you can even edit the code so you can see what the changes will do to a particular page. I, Erin, used to use this all the time to debug my code when pages didn’t look the way they should.

It should look like the following picture…
Chrome/Edge Inspector