I'm changing an SVG path color via css :
.compute .svg path {
fill: #fff;
}
It works just fine, but when running cssLint over it, I had this warning:
Unknown property: "fill"
Is it a cssLint error? Or is it a bad thing to use this property in css to change the attributes of an SVG path?
No, it's not a bad thing, it's the right way to do it. cssLint doesn't support these properties. It's just one of its many issues. I suppose you could hack it: https://github.com/CSSLint/csslint/wiki/Working-with-Rules. See also this issue: https://github.com/CSSLint/csslint/issues/283.