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Less Reference


Below you will find a collection of tutorials teaching the basics of Less, the CSS extension language and preprocessor.

Before You Start

These tutorials assume you have a basic understanding of the terminal, npm and CSS.


You can download exercises to go along with these tutorials on our Less exercises repository on GitHub. You don’t have to know how to use GitHub to use them. Just click the green Code button in the corner and click the Download ZIP option. Then unzip the folder and open it in your text editor.

Why should I use Less? How to install Less Comments – Less Variables – Less Mixin – Less Nesting – Less Importing – Less Source maps – Less

Next Steps

After taking this course, you can take our Sass course.