body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #e9ecef;
}

.table th {
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #6c757d;
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: .05em;
}