.navbar {
  margin: 6px;
  border-radius: 16px;
  border-top: 2px solid #009970;
  border-bottom: 2px solid #009970;
  border-left: 2px solid #009970;
  border-right: 2px solid #009970;
 padding: 0.5rem;
}

.navbar-brand {
  font-weight: 500;
  color: #009970;
  font-size: 20px;
  transition: 0.2s color;
}

.nav-login {
  background-color: #009970;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 50px;
  text-decoration: none;
  transition: 0.3s background-color;
}

.nav-login:hover {
  background-color: #00b383;
}

.navbar-toggler {
  background-color: #009970;
  border: none;
  font-size: 1.25rem;
}

.navbar-toggler:focus, .btn-close:focus{
  box-shadow: none;
  outline: none;
}

.nav-link {
  font-weight: 500;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

@media (min-width: 991px) {
  .nav-link:before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 2px;
    background-color: #009970;
    visibility: hidden;
    transition: 0.2s ease-in-out;
  }
}

.nav-link:hover::before, .nav-link.active::before{
  width: 100%;
  visibility: visible;
}