body {
    margin: 0;
    padding: 0;
    background: #0f0f0f;
    color: #ffffff;
    font-family: Arial, sans-serif;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

button {
    padding: 10px 20px;
    background: #1f6fff;
    color: white;
    border: none;
    cursor: pointer;
    margin-top: 10px;
}