@media only screen and (max-width: 992px) {
  .main-navigation #primary-menu {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
    cursor: pointer;
  }

  .know-how-service,
  .know-how-hero {
    padding: 100px 0;
  }

  .know-how-hero h2 {
    font-size: 42px;
    line-height: 42px;
  }

  .know-how-service h2 {
    font-size: 36px;
    line-height: 36px;
  }

  .know-how-button {
    font-size: 16px;
    padding: 15px;
  }

  .know-how-service .service-button span {
    font-size: 18px;
    line-height: 24px;
  }
}

@media only screen and (max-width: 768px) {
  .know-how-service,
  .know-how-hero {
    padding: 50px 0;
  }

  .know-how-hero h2 {
    margin-bottom: 30px;
    line-height: 54px;
  }

  .know-how-service .service-button,
  .know-how-service h2,
  .know-how-hero .col-md-6 {
    margin-bottom: 30px;
  }
}