.acx-demo-gateway {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 70vh;
    padding: 30px 15px;
}
.acx-demo-gateway__card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, .08);
    max-width: 470px;
    padding: 34px;
    text-align: center;
    width: 100%;
}
.acx-demo-gateway__card .g-recaptcha {
    display: inline-block;
    margin: 18px auto;
}
.acx-demo-gateway__card .action.primary {
    display: block;
    margin: 4px auto 0;
}