@media (max-width: 540px) {
   .common-banner-sec{
    .banner{
      height: 42vh;
    }
  }
  section.c-gallery .col-md-4.mb-md-4 {
    padding: 0;
}
  section.c-gallery img{
   height:250px; 
  }
  section.c-gallery .row.main-slider {
    gap: 30px;
}
}