body 
{
	background: url("background.jpg");
	height: 100%;
    width: 100%;
    background-position: 53% 50%;
    background-size: 1900px 1200px;
    margin-top: 100px;
}

canvas
{
	border: 0px none;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 400px;
    display: block;
}