.er-404{
	width: 900px;
	height: 320px;
	overflow: auto;
	margin: 150px auto;
	background: url(../images/404.jpg) center top no-repeat;
}
.er-text{
	font-size: 48px;
	color: #f00;
	width: 480px;
	margin-top: 200px;
	margin-left: 65px;
	font-family: impact;
}
.er-btn{
	margin-top: 20px;
	margin-right: 10px;
	border: 1px solid #33a4e6;
	color: #33a4e6;
	font-family: arial;
	font-size: 14px;
	padding: 5px;
	float: left;
}
.er-btn a{
	color: #33a4e6;
	text-decoration: none;
}
.er-btn a:hover{
	color: #fff;
}
.er-btn:hover a,.er-btn:hover{
	color: #fff;
	background: #33A4E6;
}