body {
	background: #ffffff; 
}

@media only screen {
	body {
	background: #00ff00; 
	}
}
	
@media only screen  and (min-width: 600px) {
	body {
	margin: 1rem 1rem 1rem 1rem;
	background: #00ff00; /* Old browsers */
	background: -moz-linear-gradient(left,  #00ff00 0%, #ffffff 50%, #ff0000 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, right top, color-stop(0%,#00ff00), color-stop(50%,#ffffff), color-stop(100%,#ff0000)); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(left,  #00ff00 0%,#ffffff 50%,#ff0000 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(left,  #00ff00 0%,#ffffff 50%,#ff0000 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(left,  #00ff00 0%,#ffffff 50%,#ff0000 100%); /* IE10+ */
	background: linear-gradient(to right,  #00ff00 0%,#ffffff 50%,#ff0000 100%); /* W3C */
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ff00', endColorstr='#ff0000',GradientType=1 ); /* IE6-9 */
	}
}