body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #111;
    color: white;

    display: flex;
    justify-content: center;
    align-items: center;

    height: 100vh;
}

.container {
    text-align: center;
}

h1 {
    font-size: 56px;
    letter-spacing: 3px;

    text-shadow: 0 4px 15px rgba(255,255,255,0.15);
}

.subtitle {
    color: #bfbfbf;
    margin-bottom: 30px;
}

button {
    padding: 14px 30px;
    font-size: 16px;

    border: none;
    border-radius: 8px;

    cursor: pointer;

    transition: 0.25s;
}

button:hover {
    transform: scale(1.05);
}

#message {
    margin-top: 25px;
    font-size: 20px;
    color: #6cff8f;
}