body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
}

.container {
    max-width: 500px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0px 0px 10px #ccc;
}

input, button {
    display: block;
    width: 100%;
    margin-top: 10px;
    padding: 10px;
}