body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 20px;
}
.container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
}
.seats {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin: 10px 0;
}
.seat {
    width: 30px;
    height: 30px;
    border: 1px solid #000;
    text-align: center;
    line-height: 30px;
    cursor: pointer;
    background-color: lightgreen;
}
.occupied {
    background-color: red;
    color: white;
    cursor: not-allowed;
}
.boarding-pass {
    display: none;
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #000;
    background-color: #f0f0f0;
}
#section{
    width: 20%;
}