Large dropdown-menu

basic.html

<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
  <a class="navbar-brand" href="#">Navbar</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#main_nav" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="main_nav">
<ul class="navbar-nav">
	<li class="nav-item active"> <a class="nav-link" href="#">Home </a> </li>
	<li class="nav-item"><a class="nav-link" href="#"> About </a></li>
	<li class="nav-item"><a class="nav-link" href="#"> Services </a></li>
	<li class="nav-item dropdown">
	    <a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown"> Dropdown large  </a>
	    <div class="dropdown-menu dropdown-large">
           	The content of large dropdown menu. <br> lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
		tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
		quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
		consequat.
            </div> <!-- dropdown-large.// -->
	</li>
</ul>
  </div> <!-- navbar-collapse.// -->
</nav>

script.js

//  Prevent closing from click inside dropdown
$(document).on('click', '.dropdown-menu', function (e) {
  e.stopPropagation();
});

style.css

.dropdown-large{ padding:20px; }

@media all and (min-width: 992px) {
	.dropdown-large{ min-width:500px; }
}