body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    color: #333;
}

form {
    margin-top: 20px;
}

label {
    font-weight: bold;
}

input[type="number"] {
    padding: 5px;
    margin-right: 10px;
}

button {
    padding: 8px 12px;
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}