body {
	margin: 0px;
	padding: 0px;
	font-size: 14px;
	line-height: 1.7em;
}
.artitle {
	font-size: 20px;
	font-weight: bold;
	color: #006666;
}
.tishi {
	background-color: #FFFFFF;
	width: 640px;
	border: 1px solid #006666;
	padding: 10px;
	margin: auto;
}
a:link,a:visited {
	color: #006666;
	text-decoration: none;
}
a:hover {
	color: #FF0000;
	text-decoration: underline;
}