body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    text-align: center;
}

header {
    background-color: #222;
    color: white;
    padding: 20px 0;
}

h1 {
    margin: 0;
    font-size: 24px;
}

main {
    width: 80%;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.thumbnail img {
    width: 100%;
    max-width: 600px;
    border-radius: 10px;
    margin: 20px 0;
}

.download-btn {
    display: inline-block;
    padding: 15px 25px;
    margin-top: 20px;
    font-size: 18px;
    color: white;
    background-color: #ff5722;
    text-decoration: none;
    border-radius: 5px;
}

.download-btn:hover {
    background-color: #e64a19;
}