body {
    background-color: #f8f9fa;
}

.card {
    border-radius: 12px;
}

h2 {
    color: #343a40;
}

.btn-primary {
    background-color: #1f2937;
    border-color: #1f2937;
}

.btn-primary:hover {
    background-color: #111827;
    border-color: #111827;
}