:root {
	--colmargin: 5px;
	--colwidth: 280px;
}

#collagen-wrapper {
	padding-top: 0px;
  	margin-top: -60px;
}

#collagen-wrapper h2 {
	width: 100%;
	font-size: 28px;
}

#collagen-wrapper hr {
	width: 100%;
	margin-bottom: 30px;
	margin-top: 0px;
}

#collagen-wrapper .gallery {
	column-width: var(--colwidth);
	column-gap: var(--colmargin);
}

#collagen-wrapper .gallery .item {
	break-inside: avoid;
	overflow: clip;
	margin: 0 0 var(--colmargin);
}

#collagen-wrapper .gallery .item img {
	width: 100%;
	height: auto;
	display: block;
	transition: transform .18s ease,
	opacity: 0;
}



@media (max-width: 900px) {
	#collagen-wrapper .gallery {
		column-width: 200px;
	}

	#collagen-wrapper .gallery .item {
		padding: 14px;
	}
}

@media (max-width: 600px) {
	#collagen-wrapper .gallery {
		column-width: 140px;
	}
}