@media(max-width:992px){
  .header-dropdown,
  .header-link{
    padding: 10px 0px;
  }

  .navbar-collapse{
    position:absolute;
    top: 92px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    padding: 10px 20px;
    border-radius: 5px;
    width: 90%;
    background-color: #fff;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    padding-bottom: 21px;
  }
}

@media(max-width:768px){
  .carousel-caption{
    top:30px;
    width: 90%;
    left: 50%;
    transform: translateX(-50%);
  }

  .carousel-control-prev,.carousel-control-next{
    display: none;
  }

  .carousel-indicators{
    bottom: 110px;
  }
  .circular-card-img{
    height: 250px;
    width: 250px;
  }
}