.platfromSelector {
	background-image: url('http://www.realtimemechanics.com/Images/General/PlatformSelector_XLarge.jpg');
	background-repeat: no-repeat !important;
	background-attachment: fixed !important;
	background-size: cover !important;
	background-position: center !important;
	-webkit-background-size: cover !important;
	-moz-background-size: cover !important;
	-o-background-size: cover !important;
	height: 100%;
	overflow: hidden;
}

@media only screen and (max-width:640px) {
	 .platfromSelector {
		 background-image: url('http://www.realtimemechanics.com/Images/General/PlatformSelector_Small.jpg');
	 }
 }

@media only screen and (max-width:1280px) {
	.platfromSelector {
		background-image: url('http://www.realtimemechanics.com/Images/General/PlatformSelector_Medium.jpg');
	}
 }

@media only screen and (max-width:1920px) {
	.platfromSelector {
		background-image: url('http://www.realtimemechanics.com/Images/General/PlatformSelector_Large.jpg');
	}
 }

.sizeprovider {
	position: absolute;
	z-index: -1;
}