@charset "UTF-8";

#main_div {
	position: absolute;
	height: 350px;
	width: 450px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

#center {
	display: block;
	margin-right: auto;
	margin-left: auto;
}

body {
	background-color: #002a3a;
}