body {
        margin-left: 0px;
        margin-top: 0px;
        margin-right: 0px;
        margin-bottom: 0px;
        background-color: #ffffff;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 11px;
        color:#0000FF;
}

/* centre tout le contenu       */
#centercontent{
        width: 900px;
        height: 100%;
        margin: 0px auto;
        padding: 0px;
        text-align: left;

}
/*        */
#site_header{
        width:900px;
        height:100px;
}
#accueil{background-color:#FFFFC0;
        background-image:url(./images/accueil.jpg);
        background-repeat:no-repeat;
        border: 1px solid #000000;
        width:900px;
        height:750px;
        float:left;
        position:relative;
        top:10px;

}