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Styling and CSS |
There are many ways to include CSS in a web application, and correspondingly there are many ways to include CSS in Storybook. Usually, it is best to try and replicate what your application does with styling in Storybook’s configuration. To make this easier, we recommend using @storybook/addon-styling.
Storybook is pre-configured to recognize imports for CSS files. To add global CSS for all your stories, import it in .storybook/preview.js.
<FeatureSnippets paths={['configure/import-css/import-css.js.mdx', 'configure/import-css/import-css.ts.mdx']} />
If your component files import their CSS files, this will work too. The noticeable exception to this is if you're using CSS processor tools like Sass or Postcss.
<FeatureSnippets paths={['configure/css-troubleshooting/angular.mdx']} />
If you're using Vite as your builder, you're covered! Vite supports Sass and PostCSS out-of-the-box 🎉
However, if you're using Webpack and want to use Sass and PostCss, you'll need some extra configuration. We recommend installing @storybook/addon-styling to help you configure these tools. Or if you'd prefer, you can customize Storybook's webpack configuration yourself to include the appropriate loader(s).
CSS-in-JS libraries are designed to use basic JavaScript, and they often work in Storybook without any extra configuration. Some libraries expect components to render in a specific rendering “context” (for example, to provide themes), which can be accomplished with @storybook/addon-styling's withThemeFromJSXProvider decorator.
If you need webfonts to be available, you may need to add some code to the .storybook/preview-head.html file. We recommend including any assets with your Storybook if possible, in which case you likely want to configure the static file location.