body {
background-attachment:fixed;
background-repeat:no-repeat; 
background-position: center 50%;
background-image:url('back.jpg');
}

.titre_gauche{
color:#fecb00;
float: center;
height: 172px;
font-weight: bold;
font-size: 25pt;
font-family:papyrus,arial;
}

.fond {
text-align: center;
margin-left: 20%;
background-color:#cdccfb;
width: 770px;
color:#000000;
filter:alpha(opacity=90);
-moz-opacity:0.9;
opacity: 0.1;
border-left:1px solid black;
border-right:1px solid black;
border-top:1px solid black;
border-bottom:1px solid black;
}

.texte {
font-weight: bold;
font-size: 16pt;
font-family:papyrus,arial;
}

.texte1 {
font-size: 15pt;
font-family:time;
}

.image_gauche {
float:left;
margin-left:5%;
}


.image_droite {
float:right;
margin-right:5%;
}


.image_centre {
float:center;
}