code: def CSS_setEffectivePropertyValueForNode(self, nodeId, propertyName, value):
  		
  		assert isinstance(propertyName, (str,)
  		    ), "Argument 'propertyName' must be of type '['str']'. Received type: '%s'" % type(
  		    propertyName)
  		assert isinstance(value, (str,)
  		    ), "Argument 'value' must be of type '['str']'. Received type: '%s'" % type(
  		    value)
  		subdom_funcs = self.synchronous_command(
  		    'CSS.setEffectivePropertyValueForNode', nodeId=nodeId, propertyName=
  		    propertyName, value=value)
  		return subdom_funcs
docs: Function path: CSS.setEffectivePropertyValueForNode
  			Domain: CSS
  			Method name: setEffectivePropertyValueForNode
  		
  			WARNING: This function is marked 'Experimental'!
  		
  			Parameters:
  				Required arguments:
  					'nodeId' (type: DOM.NodeId) -> The element id for which to set property.
  					'propertyName' (type: string) -> No description
  					'value' (type: string) -> No description
  			No return value.
  		
  			Description: Find a rule with the given active property for the given node and set the new value for this property