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

body {
	background:black;
}

#main_container {
	margin-left:auto;
	margin-right:auto;
	width:640px;
	height:640px;
}

#main_container #main_img
{
	width:640px;
	height:640px;
	display:block;
	float:left;
	border:none;
}