iframe.showroom {
	width: 100%;
	height: 600px;

}

@media (max-width: 979px) { 
	iframe.showroom { 
		height: 300px;
	}
}

@media (min-width: 768px) and (max-width: 979px) { 
	iframe.showroom {
		width: 100%;
		height: 400px;
	}
}