#title_font {
    font-size: 23px;
    color: #666;
}
.span_tip{
	color : red;
	line-height: 37px;
	display: none;
}
.btn_size {
    width: 115px;
    height: 24px;
    line-height: 2px;
}
#div_2{
	margin-top: 10px;
}
.mar{
	margin-left: 28%;
	width: 44%;
}
.mar-2{
	width: 23%;
	text-align: left;
	padding-right:0px;
}
#img_code{
	width: 100px;
	height: 32px;
}
#img_span{
	padding : 0px;
	height: 100%;
}