#diaporama ul {
    width: 100% !important;
    margin:0;
    padding:0;
}

    #diaporama ul:after {
        padding-top: 20.30%;
        /* 16:9 ratio */
        display: block;
        content: '';
    }
#diaporama li{
    height: 100%;
    margin:0;
    padding:0;
}
#diaporama li a{
    display:block;
    height: 100%;
    width: 100% !important;
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: cover;
}

#diaporama .bx-wrapper .bx-viewport {
    -moz-box-shadow: 0 0 0px #ccc;
    -webkit-box-shadow: 0 0 0px #ccc;
    box-shadow: 0 0 0px #ccc;
    border: 0px solid #fff;
    left: 0px;
    background-color:transparent!important;
    -webkit-transform: translatez(0);
    -moz-transform: translatez(0);
    -ms-transform: translatez(0);
    -o-transform: translatez(0);
    transform: translatez(0);
    max-height:387px;
}
#diaporama .bx-wrapper .bx-controls-direction a {
    position: absolute;
    top: 50%;
    margin-top: -16px;
    outline: 0;
    width: 39px;
    height: 50px;
    text-indent: -9999px;
    z-index: 900;
}
#diaporama .bx-wrapper .bx-prev {
    left: 10px;
    background: url(../images/gauche.png) no-repeat 0 0;
}
#diaporama .bx-wrapper .bx-next {
    right: 10px;
    background: url(../images/droite.png) no-repeat 0 0;
}