.banner-tema {
      background-image: linear-gradient(
          to right,
          rgba(0, 0, 0, 0.9),
          60%,
          transparent 100%
        ),
        linear-gradient(to left, rgba(255, 255, 255, 0.4), 30%, transparent 100%),
        url(../img/pexels-rdne-9065284.jpg);
      background-repeat: no-repeat;
      background-position: center;
      background-size: cover;
    }