body{
	
}

.numbers a.btn,
.numbers span.btn{
	border-radius: 50%;
	height:50px;
	width:50px;
	line-height:50px;
	font-size:25px;
	padding:0px;
}
.numbers span.btn{
	background:#dedede;
	color:#900;
}

.tip_zz{
	position:absolute;
	z-index:9999;
	left:0px;
	right:0px;
	top:0px;
	bottom:0px;
	background:rgba(0,0,0,0.6);
	display: box;
	display: -webkit-box;
	display: -moz-box;
	-webkit-box-pack:center;
	-moz-box-pack:center;
	-webkit-box-align:center;
	-moz-box-align:center;
}

.tip_zz span{
	display:inline-block;
	padding:15px;
	background:rgba(0,0,0,0.3);
	color:#fff;
	font-size:17.5px;
	border-radius:4px;
}
.input-group-addon i{
	width:20px;
	font-size:17.5px;
}