Most webmasters create their first web page without any formal training. In fact, one of the best ways to learn HTML is to see how others use it. Heck, go to ANY web page. Scan through this cryptic mess and you should see many, many tags embedded throughout the text. Believe it or not, most web pages are designed from scratch.
Most webmasters simply find an existing page on the Net they like and copy it.
HTML structure is not copyrightable. It's that easy. But what if you don't want to take the time to learn a lot of tags. Well, many people go out and buy web building software. This software hides the raw HTML from the user.