body {

    background-image: url(../../img/nice_2.jpg);
    background-attachment: fixed;
    background-repeat:no-repeat;
    background-position: left, center ;
    background-size: cover;

    -moz-background-size: cover;/* pour Firefox */   
    -webkit-background-size: cover; /* pour anciens Chrome et Safari */
    -o-background-size: cover; /* pour Opera */

  
}
        


@media screen and (orientation : portrait) and (max-device-width : 320px)  { 

    body {
    background-image: url(../../img/nice_5.jpg);
    background-attachment: scroll;
    background-size: cover;
        
    }

    #titreBanniere {
background-image: url('../../img/Logo.png');
background-size: 90px;
height:90px;
}
}

@media screen and (orientation : landscape) and (max-device-width : 1024px) { 
    body { 
    background-image: url(../../img/nice_5.jpg);
    background-attachment: scroll;
    background-size: cover;

    }
    #titreBanniere {
background-image: url('../../img/Logo.png');
background-size: 90px;
height:90px;
}
}