While HTML is used to describe the content in a web page, it is Cascading Style Sheets (CSS) that describe how that content should look. • CSS also provides methods for controlling how documents will be presented in contexts other than the traditional desktop browser, such as in print and or on devices with small screen widths. • Although it is possible to publish web pages using HTML alone, you’ll probably want to take on style sheets so you’re not stuck with the browser’s default styles.