body {
    background-color: #121212;
    color: #ffffff;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

#container {
    text-align: center;
    padding: 20px;
    border: 1px solid #333;
    border-radius: 8px;
    background-color: #1e1e1e;
}

input, button {
    padding: 10px;
    margin: 10px;
    border: none;
    border-radius: 4px;
}

button {
    background-color: #6200ea;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #3700b3;
}

ul {
    padding: 0 0 0 15px;
    text-align: left;
}