*{ 
	margin:0;
	padding:0;
}
html,body {
	margin:0;
	padding:0;
	width:100%;
	background:black url(../img/bg.jpg) no-repeat center center fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}