CSS (Cascading Style Sheets) is a programming language that works with HTML to shape how information appears on a webpage. In other words, HTML is the building materials, and CSS is the design layout.

Want to switch between programming languages? These sites show developers how to bridge the gap between languages and frameworks.

HTML provides the structure, content and layout, CSS adds style and design, and JavaScript adds functionality and interactivity.

JavaScript, originally designed by Brenden Eich while at Netscape, is the most popular programming languages and one of the most loved, too, according to the Stack Overflow Developer Survey. It's ...