section {
    text-align: center;
}
body {
    background-color: rgb(95, 122, 95);
    color: white;
    width: 60%;
    margin-left: 20%;
    margin-top: 0px;
    padding: 20px;
    height: 800px;
}
header {
    background-color: rgb(58, 75, 58);
}
ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
}
li {
    display: inline-block;
    margin-right: 5%;
}
li:hover {
    color: black;
    background-color: rgb(145, 212, 224);
}
section {
    background-color: rgb(58, 75, 58);
}
img {
    display: block;
     margin-left: auto;
      margin-right: auto;
     width: 50%;
}