/*HEADER*/

#header {

left:0;
top:0;
width:100%;
height:auto;
padding:0;
margin:auto;
text-align:center;
z-index:0;
}

.titre {
width:100%;
max-width:1200px;
height:auto;
text-align:center;
padding:0;
}

#header_index {
position:fixed;
left:0;
top:0;
width:100%;
height:auto;
padding:0;
margin:auto;
text-align:center;
z-index:10;
}

#header_general {
position:fixed;
left:0;
top:0;
width:100%;
height:auto;
padding:0;
margin:auto;
text-align:center;

}

#header_gallery {
position:fixed;
left:50%;
top:0;
transform:translateX(-50%);
width:50%;
height:auto;
padding:0;
margin:auto;
text-align:center;
z-index:-5;
opacity:0.8;
animation:apparition_bouton 3s;
}