shaarli/plugins/qrcode/qrcode.css

.linkqrcode {
    display: inline;
    position: relative;
}

#permalinkQrcode {
    position: absolute;
    z-index: 200;
    padding: 20px;
    width: 220px;
    height: 220px;
    background-color: #ffffff;
    border: 1px solid black;
    top: -110px;
    left: -110px;
    text-align: center;
    font-size: 8pt;
    box-shadow: 2px 2px 20px 2px #333333;
}

#permalinkQrcode img {
    margin-bottom: 5px;
}