body {
    background-color: #f8f9fa;
    font-family: Arial, sans-serif;
}

.card {
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn {
    border-radius: 8px;
}

.navbar {
    border-bottom: 3px solid #0056b3;
}

.container {
    margin-top: 30px;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
}