CSS Home The language used to style an HTML document is called CSS.The CSS specifies how items in HTML should be shown.You will learn CSS from basic to expert in this course Examples in Each Chapter There are hundreds of CSS examples in this guide.You can update the CSS using our online editor, then click a button to see the outcome. CSS Example body { background-color: lightblue; } h1 { color: white; text-align: center; } p { font-family: verdana; font-size: 20px; } Use the Menu It is advised that you read this instruction following the menu’s recommended order.The menu will always be on the left if your screen is huge.Click the top menu sign ☰ to open the menu if your screen is small. CSS Templates You can use a few responsive W3.CSS templates that we have made.You can edit, save, distribute, and use them in any project you’re working on.