[css-variables-1] Per WG resolution, non-animatable properties can't recieve animation-tainted variables at all. w3c#5341

Author: tabatkins

css-variables-1/Overview.bs

@@ -529,11 +529,7 @@ Using Cascading Variables: the ''var()'' notation</h2>
 	<ol>
 		<li>
 			If the <a>custom property</a> named by the first argument to the ''var()'' function is <a>animation-tainted</a>,
-			and the ''var()'' function is being used in:
-
-			* the 'animation' property or one of its longhands,
-			* the 'display' property, such that after substitution the property would have a value that suppresses the element's box (such as ''display/none'' or ''display/contents'')
-
+			and the ''var()'' function is being used in property that is [=not animatable=],
 			treat the <a>custom property</a> as having its initial value for the rest of this algorithm.
 
 		<li>