body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    flex-direction: column;
    text-align: center;
}
input {
    padding: 10px;
    width: 250px;
    border-radius: 5px;
    border: none;
    margin: 10px;
}
button {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: #ff9800;
    color: white;
    font-size: 16px;
    cursor: pointer;
}
button:hover {
    background-color: #e68900;
}
#result {
    margin-top: 15px;
    font-size: 18px;
}