style.scss

* {
	box-sizing: border-box;
}

body {
	background-color: #f4f4f4;
}

#wrap {
	max-width: 1140px;
	margin: 0 auto;
}

$image-width: 25%;
$image-height: 160px;
$image-gutter: 20px;

#image-grid {
	display: flex;
	flex-wrap: wrap;
	margin: 0 $image-gutter / -2;

	.image-wrap {
		display: flex;
		flex-flow: column;
		justify-content: space-between;
		flex: 0 1 calc( #{$image-width} - #{$image-gutter} );
		padding: $image-gutter;
		margin: 0 ( $image-gutter / 2 ) $image-gutter;
		border: 1px solid rgba(0,0,0,0.1);
		border-radius: 3px;
		background-color: #fff;

		&.image-light {
			background-color: #222;

			.content {
				strong {
					color: #fff;
				}

				small {
					color: #ddd;
				}
			}
		}
	}

	.image {
		height: $image-height;
		margin: 0 auto;
		line-height: $image-height;

		img {
			max-width: 100%;
			max-height: 100%;
			object-fit: contain;
			vertical-align: middle;
		}
	}

	.content {
		margin-bottom: 0;

		strong {
			display: block;
			font-size: 13px;
			color: #555;
			word-break: break-all;
		}

		small {
			color: #888;
			font-size: 11px;
		}
	}
}