子标题：Develop attractive CSS styles efficiently, using the Less CSS preprocessor
Writing CSS styles can be very tedious–how many times have you written CSS styles that become difficult to read and manage, and frequently have to be duplicated? Less gives you a solid toolkit that can help streamline your code when developing styles for any website of any size, with a significant reduction in the amount of time and effort required.
Learning Less.js helps you maximize your experience with the Less library by breaking down each of its main features. This book walks you through examples that progressively build upon your knowledge, taking you from beginner to advanced usage in a series of easy-to-follow steps. We begin with exploring the library, and will learn about the tricks it uses to help us save development time when creating and managing styles, right through to using Less.js in some practical, real-world scenarios.