.soustitre2{
position: absolute; 
width: 300px; 
height: 39px; 
left: 50%; 
margin-left: 30px;
top: 130px;
font-size:22px;
}

.soustitre3{
position: absolute; 
width: 550px; 
height: 22px; 
left: 50%; 
margin-left: -212px;
top: 175px;
}

.photo1{
position: absolute; 
left: 50%; 
margin-left: -240px;
top: 250px;
}

.photo2{
position: absolute; 
left: 50%; 
margin-left: -60px;
top: 250px;
}

.photo3{
position: absolute; 
left: 50%; 
margin-left: -60px;
top: 380px;
}

.photo4{
position: absolute; 
left: 50%; 
margin-left: 230px;
top: 250px;
}

.photo5{
position: absolute; 
left: 50%; 
margin-left: -240px;
top: 380px;
}

.photo6{
position: absolute; 
left: 50%; 
margin-left: 50px;
top: 250px;
}

.photo7{
position: absolute; 
left: 50%; 
margin-left: 50px;
top: 380px;
}

.photo8{
position: absolute; 
left: 50%; 
margin-left: 230px;
top: 380px;
}

.photo1 img{
width: 150px;
height: 100px;
}

.photo2 img{
width: 80px;
height: 100px;
}

.photo3 img{
width: 80px;
height: 100px;
}

.photo4 img{
width: 150px;
height: 100px;
}

.photo5 img{
width: 150px;
height: 100px;
}

.photo6 img{
width: 150px;
height: 100px;
}

.photo7 img{
width: 150px;
height: 100px;
}

.photo8 img{
width: 150px;
height: 100px;
}

.agrandissement_photo1{
position: absolute; 
left: 50%; 
margin-left: -108px;
top: 260px;
}

.retour1{
position: absolute; 
left: 50%; 
margin-left: -108px;
top: 492px;
}

.agrandissement_photo2{
position: absolute; 
left: 50%; 
margin-left: -20px;
top: 260px;
}

.retour2{
position: absolute; 
left: 50%; 
margin-left: -20px;
top: 505px;
}

.titre_photo1{
position: absolute; 
left: 50%; 
margin-left: 6px;
top: 235px;
}

.titre_photo2{
position: absolute; 
left: 50%; 
margin-left: -8px;
top: 235px;
}

.titre_photo3{
position: absolute; 
left: 50%; 
margin-left: 0px;
top: 235px;
}

.titre_photo4{
position: absolute; 
left: 50%; 
margin-left: 10px;
top: 235px;
}

.titre_photo5{
position: absolute; 
left: 50%; 
margin-left: 0px;
top: 235px;
}

.titre_photo6{
position: absolute; 
left: 50%; 
margin-left: -9px;
top: 235px;
}

.titre_photo7{
position: absolute; 
left: 50%; 
margin-left: -6px;
top: 235px;
}

.titre_photo8{
position: absolute; 
left: 50%; 
margin-left: -6px;
top: 235px;
}

img{
border-color: black;
}