.black_overlay{
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: white;
    z-index:1001;
    -moz-opacity: 0.8;
    opacity:.80;
    filter: alpha(opacity=80);
}
.qrcode_content {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px;
    border: 10px;
    z-index:1002;
    overflow: auto;
}
.functionMenu {
    display : none;
    background-color: #afafbb;
    text-align: center;
    padding: 10px;
}
.buttons {
    text-align: center;
    background-color: #003da5;
    color: #ffffff;
    border-radius: 8px;
	padding: 0 16px;
	border: 0px;
}
.space{
    width: 0px;
    display: inline-block;
}