.soustitre2{
position: absolute; 
width: 300px; 
height: 39px; 
left: 50%; 
margin-left: 20px;
top: 130px;
font-size:22px;
}

.soustitre3{
position: absolute; 
width: 500px; 
height: 39px; 
left: 50%; 
margin-left: -185px;
top: 175px;
}

.photo{
position: absolute; 
left: 50%; 
margin-left: -160px;
top: 210px;
}

.sommaire{
position: absolute; 
width: 290px; 
height: 26px; 
left: 50%; 
margin-left: -276px;
top: 475px;
}

.retour{
position: absolute; 
width: 290px; 
height: 26px; 
left: 50%; 
margin-left: -286px;
top: 475px;
}

.suivant{
position: absolute; 
width: 135px; 
height: 26px; 
left: 50%; 
margin-left: 182px;
top: 475px;
}

.photo2{
position: absolute; 
left: 50%; 
margin-left: -33px;
top: 210px;
}

.retour2{
position: absolute; 
width: 290px; 
height: 26px; 
left: 50%; 
margin-left: -158px;
top: 503px;
}