#troiscol{width:700px;}
    #troiscol td{vertical-align:top;padding:3px;}
    #principal h2{color:#333333}
    #principal h3{color:#ff3300;}
    td {padding:3px;text-align:center;vertical-align:middle;width:20%}

    .orangec{background:#ff9d00;}
    .orangef{background:#fe0006}
    .grisc{background:#CCCCCC;font-weight:bold;}
    .grisf{background:#999999;font-weight:bold}

    h3{color:#ff0000;}
    #entrainements{background:  url(images/topnav_active.gif) repeat-x;color:#fff;}