Building Websites with HTML and CSS Course. HTML and CSS are the backbone of the web. In this course, you’ll learn how to use HTML and CSS to build a complete website from scratch. HTML, CSS, and JavaScript are the building blocks of any web application, whether it’s a simple, static website or a more complex web application that relies heavily on JavaScript. In this Building Websites with HTML and CSS course, you’ll learn how to build a complete website from scratch. First, you’ll learn how to set up a web page with text and layout. Next, you’ll learn how to use CSS to style your page and layout. Finally, you’ll learn how to extend website functionality by integrating a basic JavaScript API. After completing this course, you’ll have the HTML and CSS skills and knowledge needed to create a fully functional website.