body {
	background-color:#ffffff;
	color:#333333;
	margin:20px;
}
#main_area1 {
	width:500px;
	padding:5px 20px 20px 20px;
	margin:auto;
	border:1px solid #000000;
}
#main_area2 {
	width:500px;
	padding:5px 20px 20px 20px;
	margin:auto;
	border:1px solid #000000;
	text-align:center;
}
#user_main_area {
	width:400px;
	padding:5px 20px 20px 20px;
	margin:auto;
	text-align:center;
}
h1 {
	text-align:center;
}
#back_button {
	text-align:center;
}
body table {
	margin:auto;
	width:500px;
}