/*
テキトーに作ったcss
*/

body {
	margin-top: 40px;
	margin-bottom: 40px;
	margin-left: auto;
	margin-right: auto;
	width: 720px;
}

p {
	margin-left: 20px;
	margin-right: 20px;
}

h1 {
	border-style: solid;
	border-width: 1px 2px 2px 1px;
	border-color: darkblue;
	padding: 4px;
	background-color: aliceblue;
	font-size: 200%;
	font-weight: normal;
	margin-bottom: 10px;
	text-align: center;
}

h2 {
	border-style: solid;
	border-width: 1px 1px 1px 10px;
	border-color: green;
	padding: 4px 0 3px 10px;
	background-color: mintcream;
	font-size: 150%;
	font-weight: normal;
	margin-top: 20px;
	margin-bottom: 10px;
}

h3 {
	border-style: solid;
	border-width: 0 0 1px 10px;
	border-color: darkblue;
	padding: 4px 0 3px 10px;
	font-size: 100%;
	font-weight: normal;
}

.date {
	text-align: right;
}

.back {
	text-align: left;
	float: left;
	margin-left: 20px;
}

.copyright {
	text-align: right;
	margin-right: 20px;
}