.rtt-photo-mosaic {
	column-count: var(--rtt-mosaic-cols-mobile, 2);
	column-gap: 6px;
	margin: 20px 0;
	width: 100%;
}

.rtt-photo-mosaic-item {
	display: block;
	break-inside: avoid;
	-webkit-column-break-inside: avoid;
	margin-bottom: 6px;
	border-radius: 4px;
	overflow: hidden;
	position: relative;
}

.rtt-photo-mosaic-item img {
	width: 100%;
	height: auto;
	display: block;
	transition: transform 0.25s ease;
}

.rtt-photo-mosaic-item:hover img {
	transform: scale(1.03);
}

@media (min-width: 600px) {
	.rtt-photo-mosaic {
		column-count: var(--rtt-mosaic-cols-tablet, 3);
		column-gap: 10px;
	}
	.rtt-photo-mosaic-item {
		margin-bottom: 10px;
	}
}

@media (min-width: 1024px) {
	.rtt-photo-mosaic {
		column-count: var(--rtt-mosaic-cols-desktop, 4);
	}
}