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Styles

packages/runtime-class/docs/styles.md

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Styles

Both HTML and Marko provide support for <style> tags. However, Marko also provides a special syntax (called a style block) which adds support for CSS preprocessors and acts as a hint to bundlers to extract this static css from your templates into a common bundle.

marko
style {
    div {
        color: green;
    }
}

<div>Hello World</div>

These blocks add global css to the page. The above example will not style just the <div> in the component, but all divs on the page. Because of this we recommend following a naming convention such as BEM. Marko will likely provide a way to automatically scope these styles to the current component in the future.

Note: Style blocks (unlike <style> tags) do not support ${placeholders} and must be static.

Preprocessors

If you use a css preprocessor, you can add the extension right on style. This will cause your bundler of choice to run the contents of the style block through the appropriate processor.

marko
style.less {
    button.primary {
        background-color: @primaryColor;
    }
}