#top { 
	background-image: url(https://www.cnblogs.com/images/cnblogs_com/jmtek/32475/o_Sgoer1.jpg);
	background-color : #FFFFFF;
	background-repeat: no-repeat ;
	background-position: left;
	height: 90px;
	vertical-align: middle;
}
#footer{
	padding: 5px;
	background-color: #e6e6e6;
	border-top: black 1px dotted;
	font-size: 7pt;
}

#Announcement
{
	background-color : #e6e6e6;
	padding: 4px 4px 4px 4px;
	border: black 1px solid;
	margin: 5px 5px 5px 5px;
}