body {
    background-color : black;
    color : black;
    font-family : verdana, geneva, arial, helvetica, sans-serif;
    font-size : 0.8em;
    padding-bottom : 0;
    padding-left : 0;
    padding-right : 0;
    padding-top : 0;
  }


a {
    color : white;
  }


a:visited {
    color: gray;
  }


a:hover {
    color: silver;
  }


/*
div {
    border: 1px solid red;
  }
*/


div#main {
    width:617px;
    height:617px;
    position: relative;
    margin:auto;
    top:30px;
  }


div#x1 {
    background-color : white;
    background-image:url('img/quine.jpg');
    height : 300px;
    width : 300px;
    position: absolute;
    left: 0px;
    top:0px; 
  }


div#x2 {
    width:298px;
    height:298px;
    color : white;
    position: absolute;
    left: 317px;
    top:0px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid white;

  }


div#x3 {
    width:298px;
    height:298px;
    color : white;
    position: absolute;
    left: 0px;
    top:317px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid white;
  }


div#x4 {
    background-image:url('img/bobabobek2.gif');
    width:300px;
    height:300px;
    background-color : white;
    position: absolute;
    left: 317px;
    top:317px;
  }