.main{
	position: relative;
	width: 100% !important;
}
.qrcode{
	position: absolute;
    top: 50%;
    right: 10px;
    display: inline-block;
    transform: translateY(-50%);
    width: 120px;
    height: 120px;
}
.qrcode_img{
	width: 100%;
}
.qrcode_str{
	text-align: center;
	color:#ffffff;
}