#Header1_HeaderTitle{
background-image: url(https://www.cnblogs.com/images/cnblogs_com/yaoshiyou/219667/o_cnblog.jpg);
	background-repeat:no-repeat;
	width:500px;
	height:80px;
	display:block;
	text-indent: -1000px;
	font-size:1px;
}
.default_contents{display:none;}