body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
    max-width: 600px;
    margin: auto;
}
select, input, button {
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    font-size: 16px;
}
button {
    background: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background: #0056b3;
}
.listing {
    border: 1px solid #ddd;
    padding: 15px;
    margin: 10px auto;
    background: #f9f9f9;
    border-radius: 10px;
    text-align: left;
}
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    .listing {
        font-size: 14px;
    }
}