.headerimg
{
    width:100%;
    height:auto;
    max-width:973px;
}
.iframe-googlemap  {
	position: relative;
	padding-bottom: 65.25%;
	padding-top: 30px;
	height: 0;
	overflow: hidden;
}
.iframe-googlemap iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}