What are fallbacks for CSS variables?
Fallbacks for CSS variables are alternative values that are used if the primary variable is not supported by the browser.
Can you give me an example of how to use fallbacks?
Sure! You can define a CSS variable with a fallback like this: --main-color: blue; color: var(--main-color, red);
If --main-color
isn't supported, it will use red.
Are there any browsers that don't support CSS variables?
Yes, older versions of Internet Explorer do not support CSS variables. It's good to use fallbacks for compatibility.
How can I check if my CSS variables are working in different browsers?
You can use browser developer tools to inspect elements and see if the CSS variables are applied correctly. Additionally, sites like Can I Use can help check compatibility.
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