body {
    background:url(imagery.jpg) top left no-repeat rgb(222, 135, 48); 
    background-size:cover; 
    margin:5% 10%;
    color:white;
    font-family:Cambria, Georgia, serif;
  }
nav a {
    color:black;
}
main {
    background-color:rgba(255,255,255,.9); 
    border-radius:5px; 
    padding:5%;
    color:darkslategray;
}
li {margin-bottom:3%;}
code {
    font-family:'Courier New', Courier, monospace;
    background-color:rgb(249, 215, 181); 
    color:black;
    border-radius:5px;
    padding:0 1%;
}