body{ 
    background:url(doc/fd.png);
    background-position: top; 
    background-repeat:no-repeat;
    background-color: #34373a;
}     
.cl_div_fond{           
    position: relative;  
    margin-left: auto;
    margin-right: auto;                         
}    
.cl_btn_menu{
    position:absolute;
    left:10px;
    cursor:pointer;   
}
.cl_btn_menu_2{
    position: absolute;
    background-color:#34373a;
    color: #7ba9e6;
    font-size: 34px;
    cursor:pointer;
}
.cl_txtSousBtn{
    position:absolute;         
    color: #7ba9e6;
    font-size: 16px;
    visibility:hidden;
}
.cl_lettreCryp{
    font-size: 70px;   
    font-weight: bold;   
}    
.cl_btnConnexion{
    position:absolute;
    left:420px;
    top:0px;
    font-size:22px;
    background-color:#34373a;
    color: #7ba9e6;
    cursor:pointer;
}
.cl_btnInscription{
    position:absolute;
    left:436px;
    top:42px;    
    font-size: 16px; 
    cursor:pointer;                
    background-color:#34373a;
    color: #7ba9e6; 
}