JSFiddle - React, Tailwind, and code Playground

HTML

<div class="lin_und">Click</div>
<div id="big_ul_hide"></div>

CSS

.lin_und {background:red;height:100px;width:100px;}
.log_in_box_dd {background:blue;height:100px;width:100px;}

JavaScript

$('.lin_und').click(function() {				
				$('#big_ul_hide').toggleClass('log_in_box_dd');				
			setTimeout(function() {
				$('html').click(function() {												
						$('#big_ul_hide').toggleClass('log_in_box_dd');					
					});
					
			$('#big_ul_hide').click(function(event) {
				event.stopPropagation();
			});}, 1000);
			});