.pdf_sections {
	display: flex;
	flex-wrap: wrap;
	margin: 0 -10px;
	padding: 0;
}

.pdf_a {
	flex: 1 1 200px;
	margin: 10px;
	max-width: 220px;
}

.pdf_prew {
	position: relative;
	margin-bottom: 15px;
	height: 220px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.pdf_img {
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
	max-width: 220px;
	max-height: 220px;
}

.pdf_size {
	position: absolute;
	bottom: 10px;
	right: 10px;
	background-color: black;
	opacity: 0.5;
	color: white;
	padding: 2px 5px;
	border-radius: 3px;
}

.pdf_name {
	text-align: center;
}