body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 10px;
}

.btn-dark {
    background-color: #212529;
    border-color: #212529;
}

.btn-dark:hover {
    background-color: #1a1e21;
    border-color: #1a1e21;
}