body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    padding: 10px;
}
.container {
    background-color: white;
    width: 50%;
    margin: auto;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
input[type=text], input[type=number] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}
button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #0056b3;
}