h1 {color: blue;text-align: center; }

html {background: #F5DBAA}

body {text-align: center;
    width: 800px;
    margin: 30px auto;
    background: white;
    border: 1px solid black;
    padding: 20px;
    }
nav {
    text-align: center;
    margin-bottom: 20px;
    }    

nav a {
    text-decoration: none;
    display: inline-block;
    background: red;
    color: white;
    margin: 0 10px;
    padding: 5px 10px;
    font: bold 15px Arial;
    }
    
nav a:hover {background: #F1591D;}

img {margin:0 auto;
display:block;}