CSS Test: Test a failing non-custom property declaration in an @supports rule where the property value contains a syntactically invalid variable reference due to having a '!' token at the top level of its fallback.

michael@0: michael@0: michael@0: CSS Test: Test a failing non-custom property declaration in an @supports rule where the property value contains a syntactically invalid variable reference due to having a '!' token at the top level of its fallback. michael@0: michael@0: michael@0: michael@0: michael@0:

This text must be green.