body {
    font-family: 'Times New Roman', Times, serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #333;
    text-align: center;
}

label {
    font-weight: bold;
}

table {
    border-collapse: collapse;
    margin-top: 20px;
    width: 100%;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.empty-seat {
    background-color: #f2f2f2;
}

button {
    padding: 5px 10px;
    background-color: #4caf50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}