protected function renderGobackButton()
    {
        $options = [
            'class' => 'btn',
            'data-widget' => 'goback',
            'data-toggle' => 'tooltip',
            'title' => Yii::t('adminlte', 'Go back'),
        ];

        return Html::button(FA::i(FA::_ARROW_LEFT), $options);
    }