@media screen and (min-width: 1200px) {
    .vista_cel {
        display: none;
        height: 0px;
        visibility: hidden;
    }
}

@media screen and (min-width: 450px) and (max-width: 1200px) {
    .vista_esc {
        display: none;
        height: 0px;
        visibility: hidden;
    }
}

@media screen and (min-width: 200px) and (max-width: 450px) {
    .vista_esc {
        display: none;
        height: 0px;
        visibility: hidden;
    }
}

.fondo_img {
    background-image: url("img/fondo.jpg");
    background-position: 50% 50%;
}

.fondo_imgi {
    background-image: url("img/fondo.jpg");
    background-position: 50% 56%;
    height: 380px;
}