 body
{
margin: 10px 0 ;
padding: 0 ;
text-align: center ;
font: 0.8em "Trebuchet MS", helvetica, sans-serif ;

}

.conteneur
{
float:left;
width: 200px;
height:200px;
margin: 10px ;
text-align: left ;
border: 2px solid #ab4 ;
background: blue ;
color:white;
}

.conteneurvisited
{
float:right;
width: 200px;
height:200px;
margin: 10px ;
text-align: left ;
border: 2px solid #ab4 ;
background: black ;
color:white;
}

.titleBar
{
position : relative;
width: 50px;
height:50px;
text-align: left ;
border: 2px solid #ab4 ;
background: red ;
color:white;
}