.underline:after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: #81ffd9;
  z-index: -1;
}

.bs-icon.bs-icon-secondary {
  color: var(--bs-primary);
  background: #81ffd9;
}

.nav-link:hover::after {
  opacity: 1;
  transform: scale(1,1);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  height: 2px;
  width: 100%;
  background-color: #81FFD9;
  position: absolute;
  bottom: 0;
  left: 0;
  transition: all 0.4s;
  opacity: 0;
  transform: scale(0,1);
  transition: transform 0.4s ease;
}

.nav-pills {
  --bs-nav-pills-border-radius: var(--bs-border-radius);
  --bs-nav-pills-link-active-color: #ffffff;
  --bs-nav-pills-link-active-bg: #051726;
}

.navbar-nav .nav-link.active, .navbar-nav .nav-link.show {
  color: var(--bs-form-invalid-color);
}

@media (min-width: 1200px) {
  .fs-3 {
    font-size: 1.2rem !important;
  }
}