.callout {
    padding: 0.4rem;
}
.login-box {
    width: 400px;
}
.login-box-large {
    width: 800px;
}

@media (max-width: 576px) {
    .login-box-large {
        margin-top: .5rem;
        width: 90%;
    }
}

.login-box-large .card {
    margin-bottom: 0;
}