.alert {
	display: block;
	position: fixed;
	text-align: center;
	top:40%;
	left: 50%;
	line-height: 24px;
	min-width: 200px;
	min-height: 20px;
	margin-left: -100px;
	z-index: 999999999;
	padding: 30px 40px;
	border: 1px solid transparent;
	border-radius: 4px;
	font-size: 14px;
}
/**信息提示**/
.alert-info {
	color: #000000;
	font-size:14px;
	background-color: #E6F1FF;
	border-color: #2089FF;
}
.alert-success {
	color: #3c763d;
	background-color: #dff0d8;
	border-color: #d6e9c6;
}
.alert-warning {
	color: #8a6d3b;
	background-color: #fcf8e3;
	border-color: #faebcc;
}

.alert-danger {
	color: #a94442;
	background-color: #f2dede;
	border-color: #ebccd1;
}

.alert-bf {
	color: #fff;
	background-color: #000000a6;
}