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Choose your Learning Path. Our new Learning Paths will help you get where you want to go, whether it’s learning a programming language, developing new skills, or getting started with something entirely new.

CSS is different. Cascading Style Sheets provide a text-based way to describe what web pages should look like, but it isn’t a programming language and it relies on HTML document structures as a foundation. You need to have a grasp of HTML before you start CSS, but CSS doesn’t look anything like HTML. Nor does it look like JavaScript, the most common programming language on the Web. Whatever your background, getting comfortable with CSS’ unique approach can take some work.

CSS’ declarative model can be uniquely efficient, but requires an understanding not only of the features you want to use but the approach you want to take in decorating a document tree. That means understanding the document tree (and there may be many variations as you apply the same style sheet to multiple documents), the selectors used to identify points on the tree, the cascade that resolves conflicts among selectors, and the properties applied to that tree. Of course, the properties interact with each other and a shared model, so you’ll need to understand how the properties how to make those interactions produce your vision.
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