Looking at your websites source this is the piece of code that is loading the style sheet.
Code:
<link rel="stylesheet" href="style.css" type="text/css">
As for linking to pages, im not exactly sure what you mean but here is some code that would create a link to your webpage.
Code:
<a href="http://www.progaming-designs.com/index.htm">Pro Gaming Designs</a>
ClanTemplates...i havent been there for a good while, i made a few templates for them back in the day.
Also i recommend you read up on some HTML and CSS...Dreamweaver etc is good, but it always helps to understand what your code is doing. www.w3schools.org is a good place to start.