body {
    background-color: #f5f6fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1 0 auto;
}

.card {
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.05);
}

.table thead th {
    background-color: #212529;
    color: #ffffff;
}