body{
    margin:0px;
    padding:0px;
    text-align:center;
    background: #3d9ef8;
	overflow:hidden;
	/*width:100%; 
	height:100%;*/
}
canvas {
	display:block;
    margin:0 auto;
    width: 900px; 
    height: 600px; 
    border: 2px solid white;
    border-radius: 2px;
}