<center> This is how you center text</center>

Single spacing gets a br at the end of the line <br>
Double spacing gets a p at the end of the line<p>


Here's a neat trick. Let's say you want to write a note that no one sees, a reminder. In DOS it is REM.

Open with: <!--
Your note goes between these codes. This does not appear on the webpage, but will be seen in View Source
end with: -->