@media(min-width:768px) {
	/* For screen resolutions >768px */
		body { 
	  background: url(../images/rears.JPG) no-repeat center center fixed; 
	  -webkit-background-size: cover;
	  -moz-background-size: cover;
	  -o-background-size: cover;
	  background-size: cover;
	}

	.panel, .well {
	/*opacity: 0.9;*/
	margin-top:30px;
	}
}