body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f5f5f5;
}

.container {
    text-align: center;
}

h1 {
    font-size: 2.5em;
    color: #333;
}

p {
    font-size: 1.2em;
    color: #666;
}

.countdown {
    margin-top: 20px;
    font-size: 1.5em;
    color: #888;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }

    p {
        font-size: 1em;
    }

    .countdown {
        font-size: 1.2em;
    }
}