.navbar-expand-lg,
.navbar-expand-md,
.navbar-expand-sm,
.navbar-expand-xl {
  > .container,
  > .container-fluid {
    padding-left: 15px;
    padding-right: 15px;
    
    @media (max-width: 575px) {
      padding-left: 0;
      padding-right: 0;
    }
  }
}

.jumbotron { padding-bottom: 1rem; }