img.img_desta2 {
    width: 100%;
    height: 200px;
    max-height: 200px;
}

.text_titulo {
    position: absolute;
    bottom: -5px;
}

.opacidad {
    width: 100%;
    margin-right: 0px;
    margin-left: 0px;
    color: #fff !important;
    position: absolute !important;
    bottom: 0px !important;
    background-color: rgba(0, 0, 0, 0.6) !important;
}

@media only screen and (min-width: 240px) {
    .opacidad {

        height: 200px;
    }
}

@media only screen and (min-width: 736px) {
    .opacidad {

        height: 88px;
    }
}

@media only screen and (min-width: 1000px) {
    .opacidad {

        height: 68px;

    }
}