body {
    background-color: #f1f1f1;
    font-family: Arial, sans-serif;
    text-align: center;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    margin-bottom: 30px;
}

img {
    max-width: 100%;
    height: auto;
    margin-bottom: 30px;
}

.countdown {
    font-size: 18px;
}

#timer {
    font-weight: bold;
}