body {
	background-color: wheat;
	box-sizing: border-box;
}
div.detail {
	border: 1px solid red;
	width: 100%;
	padding: 2px;
}
div.map_container {
	border: 1px solid green;
	width: 100%;
	overflow-x: auto;
	padding: 2px;
}

@media only screen and (min-width: 850px) {
	div.detail {
		float: right;
		width: 49%;
		padding-left: 2px;
	}
	div.map_container {
		float: left;
		width: 49%;
		overflow-x: auto;
		padding-right: 2px;
	}

	
}