.btn-primary-blue {
  background-color: #2196f3;
  color: #fff;
}
#mainNav .navbar-toggler {
  background-color: unset;
}
#mainNav .navbar-nav .nav-item .nav-link {
  font-size: 80%;
}
@media (min-width: 992px) {
  #mainNav .navbar-nav .nav-item .nav-link {
    padding: 0.5em 1em!important;
  }
}