body {
    background-color: #f8f9fa;
}
.navbar {
    background-color: #007bff;
}
.navbar-brand {
    color: white !important;
    font-weight: bold;
}
.content {
    padding: 40px 0;
}
.card {
    border-radius: 12px;
}
.btn-primary {
    background-color: #007bff;
    border: none;
}
.btn-primary:hover {
    background-color: #0056b3;
}