html,body{
	min-width: 100%;
	width: 100%;
	max-width: 100%;
	min-height: 100%;
	height: 100%;
	max-height: 100%;
	
	background-position: center;
	
	background-repeat: no-repeat;
}

body {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none
}