body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    width: 90%;
    max-width: 800px;
    background: white;
    padding: 20px;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}
h1 {
    color: #333;
    font-size: 28px;
}
p {
    color: #666;
    font-size: 18px;
    line-height: 1.6;
}
.download-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px auto;
    border: none;
    max-height: 200px;
}
@media (max-width: 600px) {
    .container {
        width: 95%;
        padding: 15px;
    }
    h1 {
        font-size: 22px;
    }
    p {
        font-size: 16px;
    }
    .download-image {
        max-height: 150px;
    }
}