@media (max-width: 768px) {
  .iframe_speciale iframe {
    height: auto; /* or a smaller fixed value like 300px */
  }
  #section_top {
    padding: 0px !important;
  }
  @media (max-width: 768px) {
    .table_fixed {
      border-collapse: collapse;
      table-layout: unset !important;
    }

   
    .table_fixed td {
      display: block;
      border-bottom: none;
      width: 100% !important;
    }

  }
}
