.qr img{
    width: 300px;
    height: auto;
    padding: 20px;
    border: 1.5pt solid black;
    z-index: 10;
}

.qr span{
    background: white;
    position: relative;
    top: -15px;
    left: 12px;
    font-family: Arial, serif;
    font-weight: bold;
    color: black;
    padding-left: 10px;
    padding-right: 10px;
}