.carousel .item{
    height: 100vh;
}

.carousel-inner #uno{
    background: url('/imgs/slider/tart1.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    /* background-attachment: fixed; */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
.carousel-inner #due{
    background: url('/imgs/slider/tart2.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    /* background-attachment: fixed; */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
.carousel-inner #tre{
    background: url('/imgs/slider/tart3.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    /* background-attachment: fixed; */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}