body {
    font-family: 'Arial', sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

h1, h2, h3 {
    color: #343a40;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.card {
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
}

.card-header {
    background-color: #e9ecef;
    border-bottom: 1px solid #dee2e6;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
}

.table th, .table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
}

.footer {
    text-align: center;
    padding: 20px;
    background-color: #343a40;
    color: white;
}

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