Ok my latest website have been a incredible disaster. So i want to learn how to make it nicely.
I seen some of the website codings. And I want to know what the.

<Div class="navbar">
<a href="home.html> Home </a></br>
</div>

I seen way more, but I want to learn some of them and what difference it makes. Thanks in advance!

First of all, it is <br /> not </br> :P Anyway, check this out:

http://www.w3schools.com/html/default.asp

And then:

http://www.w3schools.com/xhtml/default.asp