#list0{ 
	width:99%; 
	margin:0px auto;
	margin-top:20px;
}
.title{ 	
	cursor: pointer;
	color:#919191;
	width:500px;
	padding-top:10px;
	padding-left:10px;
}
.title:hover{ color:#000;
}
.on .title{
	visibility:hidden;
}
.off .title{
	visibility:visible;
 }

.content { 
	width:540px;
	height:350px;
	margin:0px auto;
}