Hi, I see these colored horizontal lines across other people's sites, some of them seperate paragraphs, other's are just for decoration. How do you make these lines?

I know you can use tables but the border goes all around.

<hr>?

http://www.lissaexplains.com/html5.shtml#lines

http://www.mcloz.com

If you scroll down at bit you can see a vertical line. How do I do that?

erm... alcy posted the link above.... click it... it will show you how ;)