nav {
       background: aliceblue;
       width: 20em;
           }
           nav ul {
               padding-left: 25px
           }
           body { 
           margin: 0; }
       img {
       width: 250px;
           border: 5px solid blue;
           padding: 8px;
           }
       article {
       margin-left: 40px;
           } 
       h1 {
       background: #8f8ffff;
       text-align: center;
           }