.alert_windows{
	position:fixed;
	z-index:10;
	width:264px;
	height:199px;
	background:url(../images/shengming.jpg);
	z-index: 9999999;
	bottom: 0;
	right: 0;
}

.alert_windows span{
	float:right;
	width:30px;
	height:30px;
	text-align:center;
	font:15px/30px Microsoft Yahei;
	cursor:pointer;
	color:#fff;
	background:#bb0000;
}

.alert_windows span:hover{
	color:#EEE;
	background:red;
}