.cover-container {
    max-width: 50em;
}
.img-fluid {
  max-width: 60%;
  height: auto;
  padding-bottom: 55px;
}
.text-bg-dark {
  color: #fff !important;
  background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('Img_Sito_in_Costruzione.jpg');
  background-position: center center; 
  background-repeat: no-repeat; 
  background-attachment: fixed; 
  background-size: cover; 
  min-height: 100vh; 
  margin: 0; 
}

 h1 {
  font-size: calc(1.375rem + 0.8vw);
}
.h1  {
  margin-top: 0;
  margin-bottom: .5rem;
  font-weight: 500;
  line-height: 1.8;
  color: var(--bs-heading-color);
}