CSS components are developed using BEM class names and the stylesheets can be included in your page side-effect free. Apply the class names to your elements to make them stylable using design tokens.

npm install --save-dev --save-exact @utrecht/component-library-css

Theoretically you can include the components in your HTML page like so, but this is not the typical use case of this library:

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Example page</title>
    <link rel="stylesheet" href="node_modules/@utrecht/component-library-css" />
  </head>
  <body>
    <h1 class="utrecht-heading-1">Home</h1>
    <p class="utrecht-paragraph">Hello, world!</p>
  </body>
</html>

The BEM class names can be particularly useful to include only the CSS you need using CSS modules (in React).

import React from "react";
import style from "@utrecht/component-library-css";

export default class ExamplePage extends React.Component {
  render() {
    return (
      <>
        <h1 className={btn["utrecht-heading-1"]}>Home</h1>
        <p className={btn["utrecht-paragraph"]}>Hello, world!</p>
      </>
    );
  }
}

Files included in this distribution

These files implement a white-label component library. You need to include a theme with CSS variables to make it look good.

dist/html.css: component library for opinionated styling of HTML elements. Add the utrecht-html class name to use it.
dist/index.css: component library for opinionated styling of HTML elements. Use the BEM class names to use the components.
dist/prince-xml.css: component library that works with Prince XML, to generate accessible PDFs from HTML files.

Keywords

nl-design-system

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Package last updated on 22 Aug 2025

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