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

.titre_conteneur {
margin-left: 20%;
background-color:#B1AEA8;
width: 300px;
height: 172px;
color:#550055;
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;
font-weight: bold;
font-size: 16pt;
font-family:papyrus,arial;
}

.titre_gauche{
float: left;
width: 20%;
height: 172px;
font-weight: bold;
font-size: 70pt;
font-family:papyrus,arial;
}

.titre_droite{
float: left;
margin-top: 40px;
height: 50px;
font-weight: bold;
font-size: 16pt;
font-family:papyrus,arial;
line-height:10.5pt
}

.titre_image{
float: left;
height: 67px;
margin-top: 40px;
margin-left: 20px;
}

.fond_grand {
text-align:center;
margin-left: 20%;
background-color:#B1AEA8;
width: 770px;
color:#550055;
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;
}

.fond_petit {
text-align: center;
margin-left: 27%;
background-color:#B1AEA8;
width: 600px;
color:#550055;
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;
font-weight: bold;
font-size: 16pt;
font-family:papyrus,arial;
}

.sous_titre {
font-weight: bold;
font-size: 20pt;
font-family:papyrus,arial;
text-align:center;
}

.texte {
width: 700px;
float:center;
font-weight: bold;
font-size: 16pt;
font-family:papyrus,arial;
}

.image_centre {
float:center;
}

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

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