body {
   
    background-color: #ffffff
}
.header {
    position:fixed;
    top:0;
    z-index: 1000;
   left:0;
   right:0;}
body{
    font-family: arial;}
    div#fin
{
height:80px;
position:relative;
}

div#menu_en_tete p
{
position:absolute;
bottom:0;
}
/*cadre petites images*/
#gallery {
    position: absolute;
    width: 200px;
    top: 200px;
}
/*largeur petites images*/
#pouce {
    
    width: 250px;
    float: left;
   
}
/*block petites images*/
#pouce a {
    
    display: block;
    float: left;
    margin: 0 0 5px 5px;
    width: 50px; 
    height:50px;
    border: 2px solid rgb(196, 73, 73);
    top: 100px;
}
/*taille petites images*/
#pouce a img {
    
    width: 50px;
    height: 50px;
    border: 0px;
}
/*ouvertureau passage de souris*/
#pouce a:hover {
   
    border-color: rgb(69, 105, 204);
}
/*grande image*/
#pouce a:hover img {
    position: fixed;
    top: 250px;
    width: 700px;
    height: 600px;
    left: 300px;
   
    border: 5px solid rgb(185, 67, 63);
}