Getting started | Less.js
Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node.js and Rhino) or client-side (modern browsers only).
Less is a CSS pre-processor, meaning that it extends the CSS language, adding features that allow variables, mixins, functions and many other techniques that allow you to make CSS that is more maintainable, themable and extendable. Less runs inside Node, in the browser and inside Rhino. There are also many 3rd party tools that allow you to compile your files and watch for changes.
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Key Features of the Site
Variables
Use variables to easily reuse values throughout your stylesheets.
Mixins
Mixins allow you to embed all the properties of a class into another class by simply including the class name as one of its properties.
Nested Rules
Nested rules allow you to write CSS in a hierarchical manner, making it easier to read and maintain.
Functions & Operations
Less supports functions and operations, allowing for dynamic CSS.
Namespaces and Accessors
Namespaces can be used to group your mixins, making them easier to manage and access.
Scope
Less provides scope for variables and mixins, similar to programming languages.
Comments
Less supports both block-style and inline comments.
Importing
You can import .less files, and all the variables and mixins will be available to the main file.
Similar Sites and Competitors to lesscss.org
Additional information
License
Less is open source and licensed under the Apache License, Version 2.0.
Community
Less has a vibrant community of developers and contributors. There are numerous plugins and tools developed by the community to extend its functionality.
Compatibility
Less is compatible with all modern web browsers. It can also be used with Node.js for server-side rendering.
Documentation
Comprehensive documentation is available on the official website, including a getting started guide, language features, and usage examples.
Performance
Less is designed to be lightweight and fast, with a focus on performance and efficiency in processing stylesheets.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for lesscss.org