.qrcode20
{
    border-collapse: collapse;
    margin:20px auto 20px auto;
}

.qrcode20 td
{
    width:14px;
    height:14px;
    font-family:arial;
    font-size:8px;
    font-weight:bold;
    text-align:center;
    padding: 0px;
    padding-top: 0px;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 0px;
    line-height:20px;
}

.qrcode5
{
    border-collapse: collapse;
}

.qrcode5 td
{
    width:2px;
    height:2px;
}

.qrmask
{
    border-collapse: collapse;
    margin:20px auto 20px auto;
}

.qrmask td
{
    width:12px;
    height:12px;
}

.mapblock
{
    border-collapse: collapse;
    border:2px black solid;
    margin:auto;
}

.mapblock td
{
    width:10px;
    height:10px;
}