rshyn-site/templates/gallery.html

$body$
<div class="gallery">
    <div>
        <a class="prev" onclick="changeSlides(-1)">&#10094;</a>
    </div>
    $art$
    <div>
        <a class="next" onclick="changeSlides(1)">&#10095;</a>
    </div>
</div>
<br/>