LESS vs CSS in style sheet

Posted By :Adarsh Singh |31st January 2020


If you're fresher in front-end development, you want to first skills to write down basic CSS to raised understand the workings of a preprocessor, because the preprocessor itself will compile and generate CSS on its end.

A beginner chooses CSS to customize the looks of HTML elements due to its simplicity and basic style syntax. CSS allows you to simply control various parts of web pages—like headers, footers, content—in how that’s easily understood.

You can either define static CSS styles inline by setting them as attributes of a component, otherwise, you can keep them during a separate CSS file and ask them specifically once they got to be applied to HTML elements.


LESS, also referred to as Leaner Style Sheets, maybe a dynamic CSS preprocessor that compiles and generates CSS during runtime on the server or client-side. LESS has advanced features—like variable substitutions, mixins, operations, combining functions—that help design a layout in a smarter way, supporting minimal yet flexible code usage.

Why LESS over CSS?

LESS is much advance that makes it comparatively better than CSS. I’ll walk you thru a number of its important features: variables, mixins, operations, nesting, and functions.


Similar to how you define variables in other programming languages, you'll set a variable in LESS and access it throughout your program. @variable name is the must as a prefix. they will store any sort of value, like selectors, property names, colors, dimensions, URLs, font names, etc.


A mixin is sort of a variable, but the sole difference is that it represents a whole class. you'll A set of properties into a selected class name and call them in necessary places to avoid repeated code definitions.


You can also perform basic arithmetic operations in LESS—such as division, subtraction, addition, and multiplication—on numeric values, variables, and colors.


To make your code clearer when handling a bigger volume of CSS, use the LESS nesting feature. you'll define the stylesheet during a hierarchical data structure by nesting a selector within another selector.


There also are predefined functions available in LESS, allowing you to map JavaScript code to control values, transform colors, and far more.

About Author

Adarsh Singh

Adarsh Singh is working as Front-End developer, having good knowledge of Angularjs, Javascript, Html, Less.

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