html, body {
background-image: url(https://images4.alphacoders.com/206/206014.jpg);
}
article {
margin-bottom: 40px;
}
footer {
background-color: #333;
color: white;
text-align: center;
padding: 20px;
}
img {
display: block;
margin: 0 auto;
max-width: 100%;
height: 400;
border-radius: 10px;
}