body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: auto;
padding: 20px;
line-height: 1.6;
}

header h1 {
margin-bottom: 5px;
}

nav a {
margin-right: 15px;
text-decoration: none;
}

article h1 {
margin-bottom: 5px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}