1. width="100" Use this to modify the width of the horizontal rule. You can use pixels or a percentage of the page width. The default is 100% of the page width.
2. align="left" Use this to align the horizontal rule to the left or right of the page. The default alignment is center. You can only see the alignment effect if the width of the horizontal rule is less than the width of the page.
3. size="3" Use this to adjust the vertical size of the horizontal rule. The default size is 2.
4. noshade Use this to make your horizontal rule a solid stripe accross the page, rather than a shaded stripe.
IE 4 lets you use the color=" " attribute as well. May not work in Netscape. example: