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Discussion on: CSS variables are great!

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mornir profile image
Jérôme Pott Author

CSS variables are supported in all modern browsers.
For Internet Explorer, I usually use a fallback value:

.main-header {
 background-color: red;
 background-color: var(--main-color);
}

But then, of course, updating value at runtime won't work in IE. I think that this fallback is sufficient when the changes are only cosmetic.

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nuxodin profile image
Tobias Buschor

For Internet Explorer, you can try this polyfill:
github.com/nuxodin/ie11CustomPrope...
It enables nearly full custom properties support for it.