body {
	background-color: #c3c3c3;
    margin: 0;
    overflow: hidden;
}

h1 {
	color: #4c6ebb 
}

#game-container {
    /* align the containter center */
    margin: 0 auto;
    width: 600px;
    height: 400px;
    background-color: #111;
    position: relative;
}