body {
    background-color: #f5f6fa;
}

.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

.display-6 {
    font-weight: 600;
}

.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #6c757d;
}