body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    width: 100%;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    text-align: center;
    padding: 2rem;
}

.promo {
    margin-bottom: 2rem;
}

.promo h2 {
    color: #333;
}

.promo p {
    color: #666;
    font-size: 1.2rem;
    margin: 1rem 0;
}

.image img {
    max-width: 80%;
    height: auto;
    border: 2px solid #333;
    display: block;
    margin: 0 auto;
}