body {
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    gap: .875rem;
}

.form-group { margin-bottom: 1.5rem; }

.btn-primary { margin-bottom: 1.25rem; }

footer {
    width: 100%;
    max-width: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}