@media (max-width: 991px) {
  .banner_form {
    margin: 0 30px;
  }
  .banner h1 {
    font-size: 34px;
    line-height: 46px;
  }

  .banner_form h3,
  .common_sect h2,
  .cta h2,
  .counter h2,
  .testimonials h2,
  .contact_section h2 {
    font-size: 32px;
  }
  .contact_box a img {
    width: 65px;
  }
  .contact_box a {
    font-size: 14x;
  }
}

@media (max-width: 767px) {
  .banner_form {
    margin: 0 10px;
  }
  .banner h1 {
    font-size: 28px;
    line-height: 40px;
  }

  .banner_form h3,
  .common_sect h2,
  .cta h2,      
  .counter h2,
  .testimonials h2,
  .contact_section h2,.why_choose_us h2,.platform h2,.subjects h2 {
    font-size: 28px;
  }
  .contact_box a img {
    width: 55px;
  }  
  .contact_box a {
    font-size: 12px;
  }
  a.live_chat{
    display: none;
  }
}