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

.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1, h2 {
    color: #343a40;
}

.table {
    margin-top: 20px;
}

.table th {
    background-color: #343a40;
    color: #ffffff;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

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

.btn-warning {
    background-color: #ffc107;
    border-color: #ffc107;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}

form {
    margin-top: 20px;
}