body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-image: url('sfondo_valutazione.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
/* Header layout responsive */
  .header-container {
    width: 100%;
    background-color: white;
  }
  .header-wrapper {
    max-width: 1220px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .header img {
    width: 255px;
    height: auto;
  }
  .contact-icons {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .contact-icons a {
    text-decoration: none;
    font-size: 28px;
    display: flex;
    align-items: center;
  }
  .contact-icons a.whatsapp {
    color: #25D366;
  }
  .contact-icons a.phone {
    color: #172ba8;
  }
  .contact-icons a .icon {
    font-size: 28px;
    margin-right: 6px;
  }
  .contact-number {
    display: inline;
    font-weight: bold;
    color: #172ba8;
    font-size: 18px;
  }
  @media (max-width: 768px) {
    .contact-number {
      display: none;
    }
  }