Software Alternatives & Reviews

CSS Modules VS Sass

Compare CSS Modules VS Sass and see what are their differences

CSS Modules logo CSS Modules

I’ve been intrigued by CSS Modules lately. If you haven't heard of them, this post is for you. We'll be looking at the project and it's goals and aims. If

Sass logo Sass

Syntatically Awesome Style Sheets
  • CSS Modules Landing page
    Landing page //
    2023-02-21
  • Sass Landing page
    Landing page //
    2021-09-19

CSS Modules videos

Josh Johnston: At Least 6 Ways to Win with CSS Modules

More videos:

  • Review - Styling React Components with CSS Modules | Styling react with CSS Classes | Data Is Good
  • Review - Styling LitElement views part 2: global styles and CSS modules (Vaadin Fusion)

Sass videos

The Armalite AR10 Super SASS

More videos:

  • Review - Armalite Super SASS
  • Review - M110 SASS to 800yds: Practical Accuracy (Leupold Mk4, US Sniper Rifle)
  • Review - Anatomy of the Semi Automatic Sniper System (SASS): Featuring the Lone Star Armory TX10 DM Heavy
  • Review - ArmaLite XM110 Rifle to AR10 Super SASS

Category Popularity

0-100% (relative to CSS Modules and Sass)
CSS Framework
11 11%
89% 89
Developer Tools
8 8%
92% 92
Design Tools
10 10%
90% 90
Development Tools
100 100%
0% 0

User comments

Share your experience with using CSS Modules and Sass. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Sass seems to be a lot more popular than CSS Modules. While we know about 131 links to Sass, we've tracked only 11 mentions of CSS Modules. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CSS Modules mentions (11)

  • Is there really no better way to isolate styles across components than CSS modules?
    From what I read about CSS modules, the style isolation provides some guard rails to prevent things like random bits of global style or having colliding rules all over the place. This makes a lot of sense, but even on huge projects, I never really have those problems. I've disciplined myself to pair a component file with a CSS file (MyComponent.jsx + MyComponent.css) and keep global styles to a minimum. Source: about 1 year ago
  • Components with separate styles - how to do?
    Any time you import CSS files into a module, that CSS becomes active on EVERY component in your entire project, so that's not really a good way to go about it. It essentially creates a tag inside the final rendered html with all of your CSS within it. If you have two CSS files, and they both have a class of .myClass then they will step on each other and cause bad things to happen to your... Source: over 1 year ago
  • Why do bigger websites have the weirdest class and id names?
    They are probably using css modules. Source: over 1 year ago
  • No Caption..
    This may be a little more advanced but I'd also recommend looking into CSS modules. It basically allows you to scope your styles to individual elements preventing unwanted cascading, and simplifies naming conventions a lot (since the class names are now variables). Source: over 1 year ago
  • Styling in React.js
    Another interesting way to organize you css is using css modules. Source: almost 2 years ago
View more

Sass mentions (131)

  • Future of CSS: Functions and Mixins
    Traditionally CSS lacked features such as variables, nesting, mixins, and functions. This was frustrating for Developers as it often led to CSS quickly becoming complex and cumbersome. In an attempt to make code easier and less repetitive CSS pre-processors were born. You would write CSS in the format the pre-processor understood and, at build time, you'd have some nice CSS. The most common pre-processors these... - Source: dev.to / 3 months ago
  • Top 20 Frontend Interview Questions With Answers
    CSS stands for Cascading Style Sheets, and is a scripting language used to style web pages. SCSS stands for Syntactically Awesome Style Sheet, and is a superset of CSS. You can think of SCSS as the more advanced version of CSS, which comes with several features that CSS does not support, such as the SCSS nested syntax, as shown below. - Source: dev.to / 3 months ago
  • Modern CSS for 2024: Nesting, Layers, and Container Queries
    In the past, you’d need to rely on pre-processors such as SaSS or Less, but not anymore… Native CSS nesting has landed on all major modern browsers. - Source: dev.to / 4 months ago
  • 45 NPM Packages to Solve 16 React Problems
    Sass -> An improvement over CSS. It provides nice features for managing CSS. Good for mid-sized or even larger projects. - Source: dev.to / 6 months ago
  • Best Resources For Web Developers 💻 [HTML + CSS + JavaScript]
    Sass (Syntactically Awesome Style Sheets) - A CSS preprocessor that simplifies and enhances your CSS workflow. Website: https://sass-lang.com/. - Source: dev.to / 6 months ago
View more

What are some alternatives?

When comparing CSS Modules and Sass, you can also consider the following products

PostCSS - Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.

styled-components - styled-components is a visual primitive for the component age that also helps the user to use the ES6 and CSS to style apps.

Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

Autoprefixer - autoprefixer - Parse CSS and add vendor prefixes to rules by Can I Use

Less - 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).