h1 {
    background-color: brown;
    text-align: center;
}

body {
    background-color: black;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
  }

nav {
    background-color: brown;
}

li {
    border: 2px solid black;
    padding: 0.2em;
}