app.css

.qr-preview h3 {
    margin-bottom: 10px;
}

.form-wrapper {
    display: flex;
}

.form-wrapper form {
    flex: 1;
    padding-right: 30px;
}

.popover-link {
    position: relative;
    display: inline-block;
    text-decoration: underline;
}

.popover-content {
    display: none;
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    padding: 5px;
    z-index: 1000;
    white-space: nowrap;
}

.popover-content img {
    max-width: 200px;
    max-height: 200px;
}

.popover-link:hover .popover-content {
    display: block;
}


.qr-preview {
    display: flex;
    flex-direction: column;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #f9f9f9;
    flex: 1;
    height: 475px;

    .nav-link {
        color: #000;
    }
    .nav-link.active {
        color: #000;
        font-weight: bold;
    }
}

.qr-preview .qr-code-tab-pane {
    text-align: center;
}

.qr-preview .qr-code-image {
    max-width: 100%;
    display: block;
    margin: 15px auto 0 auto;
}