code: func (c *CSS) SetEffectivePropertyValueForNodeWithParams(v *CSSSetEffectivePropertyValueForNodeParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "CSS.setEffectivePropertyValueForNode", Params: v})
  }
docs: // SetEffectivePropertyValueForNodeWithParams - Find a rule with the given active property for the given node and set the new value for this property