body {
  margin: 0; /* pour éviter les marges */
margin: auto;



font-family: Verdana, Arial;
font-size: 13px;

}

a img {border: none;}


#global2{
background-image: url(centrale.jpg);
height: 584px;
width: 1004px;
background-repeat: no-repeat;
  margin: 0; /* pour éviter les marges */
margin: auto;
}


#association {


width: 230px;
height: 230px;
float: left;
margin-left: 30px;
margin-top: 330px;
}


#espace{


width: 230px;
height: 230px;
float: left;
margin-left: 150px;
margin-top: 330px;
}


#boutique {

width: 230px;
height: 230px;
float: left;
margin-left: 110px;
margin-top: 330px;

}