body {
    background: #f5f7fb;
    font-family: Arial, sans-serif;
}

.stat-card {
    border-top: 4px solid #ccc;
    box-shadow: 0 0.25rem 0.75rem rgba(0,0,0,0.05);
}

.navbar {
    box-shadow: 0 0.2rem 0.5rem rgba(0,0,0,0.08);
}

.card {
    border-radius: 0.8rem;
}