yii\authclient\widgets\AuthChoice::init PHP Method

    public function init()
    {
        $view = Yii::$app->getView();
        if ($this->popupMode) {
            AuthChoiceAsset::register($view);
            if (empty($this->clientOptions)) {
                $options = '';
            } else {
                $options = Json::htmlEncode($this->clientOptions);
            }
            $view->registerJs("\$('#" . $this->getId() . "').authchoice({$options});");
        } else {
            AuthChoiceStyleAsset::register($view);
        }
        $this->options['id'] = $this->getId();
        echo Html::beginTag('div', $this->options);
    }

 /**
  * @inheritdoc
  */
 public function init()
 {
     $this->view->registerCss('.y2u-social-connects .auth-clients{margin:0;padding:0}');
     parent::init();
 }