CSS Lint

CSS Lint - Helping You Code Better

CSS Lint

<div class=container-1></div><div class=container-2></div>

.container-1 { width: 70%; float: left;}.container-2 { width: 30%; float: left;}

The CSSLint method:

<div class='container-1 float'></div><div class='container-2 float'></div>

.container-1 { width: 70%; }.container-2 { width: 30%; }.float { float: left;}

Learn More About the Rules


Possible Errors

The following rules point out potential errors in your CSS.


The following rules flag for compatibility problems across browsers and browser settings.


The following rules are aimed at improving CSS performance, including runtime performance and overall code size.

Maintainability & Duplication

These rules help to ensure your code is readable and maintainable by others.