.side-ad-container {
	flex: 1;
	display: flex;
	justify-content: center;
	align-items: center;
}

.ad-box {
	width: 160px;
	height: 600px;
	border: 1px dashed #ccc;
	background-color: #f9f9f9;
	display: flex;
	align-items: center;
	justify-content: center;
}