.ppqr-public {
    display: inline-flex;
    flex-direction: column;
    align-items: center;

    margin: 30px 0;
    padding: 18px;

    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.ppqr-public-code {
    padding: 6px;
    background: #fff;
}

.ppqr-public-code img,
.ppqr-public-code canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.ppqr-public-text {
    margin-top: 10px;

    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.ppqr-align-left {
    text-align: left;
}

.ppqr-align-center {
    text-align: center;
}

.ppqr-align-right {
    text-align: right;
}