JSFiddle - React, Tailwind, and code Playground

HTML

<div id="real-hint-1" class="real-hint">
	<div class="prm-cross"></div>
	<span class="hint-caption">Подсказка 1.</span><br/>
	Вы нажали на первую ссылку
</div>


<ul>						
  <li class="real-show-hint" data-hint="#real-hint-1"></li>
</ul>

<div class="go">click here</div>

CSS

.real-hint {
	  background-color: #fff;
	  border: 1px solid #aaa;
	  border-radius: 10px;
	  display: none;
	  padding: 5px 10px;
	  position: absolute;
	  width: 250px;
	  z-index: 99;
	}

	.real-hint .hint-caption {
		font-weight: bold;
		text-transform: uppercase;
	}

	.real-hint .prm-cross {
		background: url("/images/cross.jpg") no-repeat scroll right top rgba(0, 0, 0, 0);
		cursor: pointer;
		float: right;
		height: 16px;
		margin-top: 3px;
		padding-left: 15px;
		right: 10px;
		width: 16px;
	}

	.real-show-hint {
		cursor: pointer;
		border-bottom: dashed 1px;
		color: #8c0000;
	}

JavaScript

$(document).ready(function() { 
  $(document).on('click', function(event){ 
  	var target = event.target;
  	if($(target).hasClass("go")){
    	$("#real-hint-1").show("fast");
    }
    else{
       $("#real-hint-1").hide("fast");   
    }
		
	});

});