html, body {
	width: 100%;
	height: 100%;
}

#riyago_tm {
	width: 100%;
	height: 100%;
	background: url(img/riyago_logo_rgb.png) center center no-repeat;
	background-size: 800px 217px;
}

@media only screen and (max-width: 805px) {
	
	#riyago_tm {
		background-size: 300px 81px;
	}
	
}

@media only screen and (max-width: 360px) {
	
	#riyago_tm {
		background-size: 200px 54px;
	}
	
}