*{
	padding: 0px;
	margin: 0px;
}

html, body{
	background: #808080;
}

#main_wrapper{
	width: 480px;
	margin: 20px auto;  
}

#main{
	background-color: #808080;
}

#game_canvas{
    margin: 0px;
	width: 480px;
}