*{ margin: 0; padding: 0; box-sizing: border-box; }
.top-bar{
  font-size: 20px;
}
.navbar-nav .nav-link{
  color: black !important;
  font-size: 20px;
  margin: 4px;
  font-weight: 500;
}
  .carousel-inner img {
    width: 100%;
    height: 90vh;
  }