body > a#bandeau-jerevedesjeux{
    display: none;
}
@media only screen and (min-width: 1500px){
    body > a#bandeau-jerevedesjeux{
        display: block;
        position: absolute;
        right:0;
        top:0;
        width: 237px;
        height: 237px;
        z-index: 2;
        background-repeat: no-repeat;
        background-image: url('../images/bandeau-jerevedesjeux.png');
    }
}