Sorry bud...I shoulda clarified....you need to replace the following,
"CSS/WebStyleSheet.css".
Change this to match the relative path of where your file is stored. The beginning of my path starts off as "CSS" because that is a folder holding my CSS file, which is contained in the same parent folder as my index page (or "master" page). The second part, "WebStyleSheet.css", is the actual name of my CSS file. Yours will be whatever name you saved it as, and be stored in whatever folder you placed it in, so that's why it did not work.
Create a css file, or go to wherever you saved the one your trying to work with. Drag that file into the exact same folder as your index/master page. Then type:
- <link href ="NAME_OF_CSS_HERE.css" rel="stylesheet"/>