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.
For Internet Explorer, you can try this polyfill: github.com/nuxodin/ie11CustomPrope... It enables nearly full custom properties support for it.
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CSS variables are supported in all modern browsers.
For Internet Explorer, I usually use a fallback value:
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.
For Internet Explorer, you can try this polyfill:
github.com/nuxodin/ie11CustomPrope...
It enables nearly full custom properties support for it.