body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

header nav a {
    color: #fff;
    margin: 0 1em;
    text-decoration: none;
}

header nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2em;
}

.hero {
    background: url('https://images-platform.99static.com//qJSFkEDrJ8G6ToT5J-UOIy9Lklk=/24x0:1467x1443/fit-in/590x590/99designs-contests-attachments/112/112542/attachment_112542414') no-repeat center center/cover;
    color: white;
    padding: 5em 1em;
    text-align: center;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}