text: // Check whether a property is a CSS property
  const isCustomProperty = require('./isCustomProperty');
  const isStandardSyntaxProperty = require('./isStandardSyntaxProperty');
  
  module.exports = function isProperty(node) {
  	return (
  		node.type === 'decl' && isStandardSyntaxProperty(node.prop) && !isCustomProperty(node.prop)
  	);
  };
  