body{
	text-align:center;
	margin: 0px;
	background:#FF9900 ;
}
a:link,a:visited {
	color:#663399;
	text-decoration:none;
}
a:hover {
	text-decoration:underline;
}
img {
	border:none;
}

div#base{

 background-repeat:no-repeat;

 }



ul#Navi li{
float:left;
}

 
ul#Navi{
position:relative;
margin-top:-180px;
margin-left:px;
height:102px;

}



li#activity{
	margin-left:160px;
}

li#teacher{
	margin-left:60px;
}

img{
border:none;
}