body {
	background-image:url(fond1.jpg);
	background-repeat: no-repeat;
	background-attachment: fixed;
	background-position:top left;
	background-attachment: fixed;
	color: rgb(0, 0, 0);
        font-family: monospace;	
	}

#cube {
  border-left: 1px black solid;
  border-right: 2px black solid;
  border-top: 1px black solid;
  border-bottom: 2px black solid;
  margin : 10px;
  padding : 5px;
}
 
a:hover { text-decoration: underline;}

a, a:active, a:visited { text-decoration: underline;
    color: black;
    }

.case{
  height: 470px;
  width: 450px;
}