a#link_back
{
	font-size: 25px;
	margin-left: 10px;
}

div#position_btn
{
	display: inline;
	position: absolute;
	right: 20px;
	cursor: pointer;
}

div#map_container
{
	width: 100%;
	position: absolute;
	left: 0px;
	bottom: 0px;
	height: calc(100% - 85px);
}