body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111827;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}

button {
    padding: 12px 24px;
    border: none;
    background: #2563eb;
    color: white;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}