Basic

<div class="viewer">
	<img src="thumbnail.jpg" alt="">
</div>
$(".viewer").viewer();

Gallery

<div class="viewer">
	<img src="thumbnail_1.jpg" alt="">
	<img src="thumbnail_2.jpg" alt="">
	<img src="thumbnail_3.jpg" alt="">
</div>
$(".viewer").viewer();

No Theme

<div class="viewer">
	<img src="thumbnail_1.jpg" alt="">
	<img src="thumbnail_2.jpg" alt="">
	<img src="thumbnail_3.jpg" alt="">
</div>
$(".viewer").viewer({
	theme: "",
});