#box-qrcode {
        width: 200px;
        height: 200px;
        position: relative;
        margin: 20px;
    }
    
    .qrcode {
        width: 100%;
        height: 100%;            
        position: absolute;
        top: 0;
        left: 0;
        opacity: 0.7;

        border: 2px dotted #ffcccc;
        border-radius: 3px;
        /* background-color: #affffd; */

        background: #000046;  /* fallback for old browsers */
        background: -webkit-linear-gradient(to top, #0277bd, transparent);  /* Chrome 10-25, Safari 5.1-6 */
        background: linear-gradient(to top, rgb(2, 119, 189), transparent); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    }

    .img-qr {
        z-index: 9;
    }
  
  .xxx {
    background-color: rgb(155, 218, 255)!important;
    background-color: rgba(32, 55, 71, 0.95)!important;
  }