#main
{
 position: absolute;
 left: 50%;
 margin-left: -350px;
 
 width: 700px;
 height: 700px;
 border: 0px solid black;
 
}

#texte
{
 position: absolute;
 top: 300px;
 left: 110px;
 width: 300px;
 text-align: justify;
}