Styles minimize maintenance issues and give a common look and feel to pages. A style sheet is a page styling template that you create yourself specifying styles to be used within the web site. The use of style sheets allows for fast changes to the formatting of a page or pages. Instead of modifying the formatting for each page in a site, simply modify a style within the style sheet and the changes will be applied to all linked pages. You do not have access to this style sheet.
Styles are a newly emerging technology on the Web.
Not all browsers can accept them. Always check your pages in both browsers and in older browser versions to make sure you can reach your target audience. Selecting fancy fonts as a part of your style can backfire. The font must be available on the computer where the browser is running or your page may look completely different. Applying a style The style box is located at the left end of the Formatting Toolbar.