body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background-color: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

input[type="number"] {
 padding: 10px;
 font-size: 16px;
 margin-top: 10px;
 width: 80px;
 text-align: center;

}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.35;
}

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

#message {
    font-size: 10px;
    margin-top: 20px;
}