.use-case-header {
    margin-top: 20px;
}

.use-cases-subheader {
    font-size: 20px;
    font-weight: 700;
    margin: 10px 0px;   
}

.qr-centered {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 25px;
}

.qr-centered > img {
    max-width: 150px;
    width: 100%;
}