What is CSS3, SASS, SCSS, COMPASS, LESS, BOURBON

CSS, SASS, SCSS, Compass, LESS, and Bourbon: A Quick Comparison

This guide provides a concise overview of CSS3 and several popular CSS preprocessors. For beginners, we strongly recommend starting with Compass!

CSS3:

• The latest version of Cascading Style Sheets.
• Offers advanced features like animations, transitions, and transforms.
• Learn CSS3 CSS3 Demo CSS3 Documentation

SASS & SCSS:

• SASS (Syntactically Awesome Style Sheets): A CSS extension offering features like nesting, variables, and mixins. Uses indentation for syntax. Server-side processing (typically with Ruby).
• SCSS (Sassy CSS): Functionally identical to SASS, but uses a CSS-like syntax with curly braces.

SASS Website SCSS Documentation SASS Installation

Example:

/* CSS */
li {
  font-family: serif;
  font-weight: bold;
  font-size: 1.2em;
}

/* SCSS */
li {
  font: {
    family: serif;
    weight: bold;
    size: 1.2em;
  }
}

/* SASS */
li
  font:
    family: serif
    weight: bold
    size: 1.2em

Compass:

• A CSS framework built on SASS.
• Provides a library of helpful mixins, cross-browser compatibility features, and typography patterns.
• Simplifies sprite generation.
• Easily updated via the command line.

Compass Website Compass Demo Compass Installation 1 Compass Installation 2

Example:

Compass code:

#opacity-10 {
  @include opacity(0.1);
}

Generated CSS:

/* For IE */
#opacity-10 {
  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=10);
  opacity: 0.1;
}

/* For other browsers */
#opacity-10 {
  opacity: 0.1;
}

LESS:

• A JavaScript-based CSS preprocessor, processed client-side.
• Offers similar functionality to SASS (nesting, variables, mixins).
• Lacks a framework equivalent to Compass.

LESS Website LESS Demo LESS Documentation LESS vs SASS

Bourbon:

• A lightweight mixin library for SASS.
• Works seamlessly with tools like CodeKit and Hammer.

Bourbon Website Bourbon Demo Bourbon Documentation

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