JSFiddle - React, Tailwind, and code Playground

HTML

<div class="emp">
    <ul class='nav'>
        <li>
            <div class='container'>
                EMP
                <img src="http://www.iconarchive.com/download/i32215/tpdkdesign.net/refresh-cl/Symbols-Find.ico">
            </div>
            <ul class='dropdown'>
                <li>
                    <a href="http://www.google.co.in">Contact no.</a>
                </li>
            </ul>
         </li>
     </ul>
</div><br><br>

<div class="emp">
    <ul class='nav'>
        <li>
            <div class='container'>
                EMP
                <img src="http://www.iconarchive.com/download/i32215/tpdkdesign.net/refresh-cl/Symbols-Find.ico">
            </div>
            <ul class='dropdown'>
                <li>
                    <a href="http://www.google.co.in">Contact no.</a>
                </li>
            </ul>
         </li>
     </ul>
</div>

CSS

.emp .nav{
    list-style:none;
    margin:0;
    padding:0;
}

.emp .container{
    width:70px;   
    padding:3px 5px;    
    border: #00FFFF solid 1px;
    background:#00FFFF; 
    background: -moz-linear-gradient(top, #e6eefc 0%, #bfd7f1     #00FFFF 100%); 
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#e6eefc), color-stop(100%,#bfd7f1)); 
    background: -webkit-linear-gradient(top, #e6eefc 0%,#bfd7f1 100%); */
    background: -o-linear-gradient(top, #e6eefc 0%,#bfd7f1 100%); 
    background: -ms-linear-gradient(top, #e6eefc 0%,#bfd7f1 100%); 
    background: linear-gradient(to bottom, #e6eefc 0%,#bfd7f1 100%); 
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e6eefc', endColorstr='#bfd7f1',GradientType=0 ); /* IE6-9 */
}

.emp .nav > li{
    
    text-decoration: none;
    color:#000000;
    display: inline-block;
}

.emp .dropdown{
    display: none;
}

.emp .nav .dropdown > li{
    width: auto;
    border: 1px solid #8ba0bd;
    margin: 0;
    padding: 3px 5px;
    background-color: #00FFFF;
}

JavaScript

$(".emp .container").click(function(){
    $(this).siblings(".dropdown").toggle();
});