You are invited and welcome to use the template for all your document development. Why yes, Cascading Style Sheets, CSS , can be used to simplify the level of meticulous HTML editing required to create complex documents. Proper use of Style Sheets will also allow you to quickly change the look of your pages. Unfortunately style sheets are only supported in version 4.x browsers and above. There are several methods of incorporating style sheets into your web design but the two primary methods are linking to an external style sheet and embedding a style sheet.
Style sheets can cascade on top of each other.
I.E. you can call the external library style sheet and build customized styles on top of that by embedding additional styles. This is the recommended practice . You can override styles with HTML tag elements. Keep in mind the Library may have a number of style sheets to choose from. For more information see My homegrown visual reference sheet to css.