.first {
	margin-right: 40px;
}
.one-third {
	width: calc(33.3333% - 20px);
}
.two-thirds {
	width: calc(66.6666% - 20px);
}
.lightbox-gallery {
	display: flex;
	flex-wrap: wrap;
	list-style-type: none;
	margin-right: -10px;
  margin-left: -10px;
  padding-left: 0;
}
.lightbox-gallery .gallery-item {
	margin-bottom: 10px;	
  padding-right: 10px;
  padding-left: 10px;
}
.lightbox-gallery .gallery-item a {
	display: block;
}
.lightbox-gallery .gallery-item img {
	max-width: 100%;
	margin-bottom: 0;
}
.lightbox-gallery.col-1 .gallery-item {
	width: 100%;
}
.lightbox-gallery.col-2 .gallery-item {
	width: 50%;
}
.lightbox-gallery.col-3 .gallery-item {
	width: 33%;
}
.lightbox-gallery.col-4 .gallery-item {
	width: 25%;
}
.lightbox-gallery.col-5 .gallery-item {
	width: 20%;
}
@media ( max-width: 600px ) {
	.lightbox-gallery.col-2 .gallery-item,
	.lightbox-gallery.col-3 .gallery-item,
	.lightbox-gallery.col-4 .gallery-item,
	.lightbox-gallery.col-5 .gallery-item {
		width: 100%;
	}
}