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CSS preprocessors comparison

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Cascading Style Sheets (CSS) pre-processors help you to maintain your CSS files more easily. It can help you make your CSS more readable, maintainable by using some features not available in the CSS language.

Variables allow to easily reuse the same value in your CSS, making it easier to read or update.

Mixins allow embedding all the properties of a class into another class.

Nesting allow to have a more concise code, which mimics the structure of your HTML..

Get image dimensions allow to set properties using the size of a given image ensuring your CSS is adapted if the image is changed.

Feel free to help complete and correct this comparison.

Link
LessSass (SCSS syntax)Stylus
Websitelesscss.orgsass-lang.comgithub.io/...
Latest version2.5.33.4.190.52.4
Release dateSep. 25th 2015 Oct. 10th 2015 Sep. 4th 2015
Development languageJavascriptRubyJavascript
Features
VariablesYesYesYes
MixinsYesYesYes
Conditionals-YesYes
Get image dimensionsYes-Yes
Color manipulationYesYesYes
Dark/light color detection--Yes
NestingYesYesYes
Additional
Syntax sample
@mycolor: black;

#header {
  color: @mycolor;
  .navigation {
    font-size: 12px;
  }
  .logo {
    width: 300px;
  }
}
SCSS syntax:
$mycolor:black;

#header {
  color: $mycolor;
  .navigation {
    font-size: 12px;
  }
  .logo {
    width: 300px;
  }
}
mycolor=black

#header {
  color: mycolor;
  .navigation
    font-size: 12px;
  
  .logo
    width: 300px;
}
Last updateNov. 12th 2015 11:18:34 PMNov. 12th 2015 11:18:34 PMNov. 12th 2015 11:24:46 PM
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Compare CSS preprocessors: Less vs Sass (SCSS syntax) vs Stylus
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Nov. 4th 2022 9:11:48 AM
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