JSFiddle - React, Tailwind, and code Playground
HTML
<button id="add">Add</button>
<div id="container">
<img src="http://www.rangde.org/newsletter/nov11/images/real_tree.png" />
<div class="circle" style="top: 483px; left: 345px;"></div>
<div class="circle" style="top: 361px; left: 333px;"></div>
<div class="circle" style="top: 284px; left: 302px;"></div>
<div class="circle" style="top: 350px; left: 79px;"></div>
<div class="circle" style="top: 489px; left: 55px;"></div>
</div>
CSS
#container {
position: relative;
width: 450px;
height: 778px;
}
#container img {
width: 450px;
height: 778px;
}
#container div.circle {
display: none;
position: absolute;
width: 12px;
height: 12px;
border-radius: 6px;
background-color: #000;
}
JavaScript
$('document').ready( function() {
$('#add').click(function() {
$('div.circle').show();
});
});