Theming with CSS Custom Properties
You can create highly flexible and customizable Lit components by leveraging CSS custom properties, also known as CSS variables. These variables allow you to define values, such as colors or spacing, that can be reused throughout your component's styles. The real power of CSS custom properties comes from their ability to be overridden from outside the component, making them ideal for theming and adapting your component's appearance without modifying its internal code.
When you define a CSS custom property inside a Lit component's style block, you give it a default value. Anyone using your component can then override these values by setting the same custom property on the component itself or a parent element. This approach enables dynamic theming and ensures your component fits seamlessly into different design systems or branding requirements.
To see this in action, consider a Lit component that uses CSS variables for its background color, text color, and padding. The user of this component can override these variables to create a custom theme.
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Can you show me an example of a Lit component using CSS custom properties?
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You can create highly flexible and customizable Lit components by leveraging CSS custom properties, also known as CSS variables. These variables allow you to define values, such as colors or spacing, that can be reused throughout your component's styles. The real power of CSS custom properties comes from their ability to be overridden from outside the component, making them ideal for theming and adapting your component's appearance without modifying its internal code.
When you define a CSS custom property inside a Lit component's style block, you give it a default value. Anyone using your component can then override these values by setting the same custom property on the component itself or a parent element. This approach enables dynamic theming and ensures your component fits seamlessly into different design systems or branding requirements.
To see this in action, consider a Lit component that uses CSS variables for its background color, text color, and padding. The user of this component can override these variables to create a custom theme.
index.html
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