body {
    font-family: 'DM Sans', sans-serif;
    text-align: center;
    margin: 0;
    padding: 50px;
    background-color: #f4f4f4;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    margin: auto;
}

button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #333;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

.hidden {
    display: none;
}