body, html {
      background: black;
      color: #555;
      overflow: hidden; margin: 0; padding: 0;
    }

    a {color: #555; text-decoration: none}

    a:hover  {text-decoration: underline}

    #center {
      text-align: center;
      font: large garamond, large Georgia, serif;
      display: grid;
      place-items: center;
      height: 500px;
   }

    #center img {
      border: none;
    }