body {
    background: white none no-repeat fixed 0pt 50%;
    font-family: Trebuchet MS,Lucida Sans Unicode,Arial,sans-serif;
    font-style: normal;
    font-variant: normal;
    font-weight: normal;
    font-size: 13px;
    line-height: normal;
    font-size-adjust: none;
    font-stretch: normal;
    }

  code, pre { 
    color: rgb(238, 221, 204);
    font-family: monospace;
    font-style: normal;
    font-variant: normal;
    font-weight: normal;
    font-size: 110%;
    line-height: normal;
    font-size-adjust: none;
    font-stretch: normal;
    }

  div#entete {
    height: 10%;
    background-color: transparent;
    }

  div#contenu {
    height: 90%;
    background-color: transparent;
    }

  div#centre { 
    padding: 10px;
    background-color: transparent;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: blue;
    font-family: Trebuchet MS,sans-serif;
    font-style: normal;
    font-variant: normal;
    font-weight: normal;
    font-size: 13px;
    line-height: 110%;
    font-size-adjust: none;
    font-stretch: normal;
    margin-left: 160px;
    margin-right: 0px;
    }


  div#gauche {
    border: medium solid blue;
    height: 100%;
    background: transparent none repeat scroll 0% 50%;
    float: left;
    width: 150px;
    }