Класс первого элемента migx

<div class="gallery-box">

<!-- Главное изображение -->

    <div class="view">
        <div class="big-image"><img src="images/img11.jpg" alt="image11"></div>
        <a href="#" class="prev"></a>
        <a href="#" class="next"></a>
    </div>

<!-- Блок с превью -->
 
    <div class="thumbnails">
        <a href="images/img1.jpg" class="active"><img src="images/img11.jpg" alt="image11"></a>
        <a href="images/img2.jpg"><img src="images/img12.jpg" alt="image12"></a>
        <a href="images/img3.jpg"><img src="images/img13.jpg" alt="image13"></a>
        <a href="images/img4.jpg"><img src="images/img14.jpg" alt="image14"></a>
        <a href="images/img5.jpg"><img src="images/img15.jpg" alt="image15"></a>
        <a href="images/img6.jpg"><img src="images/img16.jpg" alt="image16"></a>
        <a href="images/img7.jpg"><img src="images/img17.jpg" alt="image17"></a>
        <a href="images/img8.jpg"><img src="images/img18.jpg" alt="image18"></a>
        <a href="images/img9.jpg"><img src="images/img19.jpg" alt="image19"></a>
        <a href="images/img10.jpg"><img src="images/img20.jpg" alt="image20"></a>
    </div>
</div>

<div class="thumbnails thumbnails2">
            [[!getImageList?
            &tvname=`image_goods_migx` 
            &tpl=`gall_prev_Tpl`
            ]]
	</div>

class="active"