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    <p>Here's another approach, and in my opinion far superior to using a map or excessive JS. Place <code>&lt;div&gt;</code> elements on top of the element with the background-image and have HTML and CSS do the heavy lifting for you.</p> <p><img src="https://i.stack.imgur.com/67bgY.png" alt="Image of my example"></p> <p><a href="http://jsfiddle.net/ycSLQ/" rel="nofollow noreferrer">See it on JSFiddle</a></p> <p><strong>HTML</strong></p> <p>The HTML should seem pretty each enough to understand, we create <code>&lt;div&gt;</code>s with the class <code>hotspot</code> and rely on certain things being present. Namely <code>.text</code> (to show digit), <code>.hover-popup</code> (to show on hover) and <code>.click-popup</code> (which is inside <code>.hover-popup</code> and is shown when clicked).</p> <pre><code>&lt;div id="hotspot1" class="hotspot"&gt; &lt;div class="text"&gt;1&lt;/div&gt; &lt;div class="hover-popup"&gt; I was hovered! &lt;div class="click-popup"&gt; I was clicked on! &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;div id="hotspot2" class="hotspot"&gt; &lt;div class="text"&gt;2&lt;/div&gt; &lt;div class="hover-popup"&gt; I was hovered! &lt;div class="click-popup"&gt; I was clicked on! &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; </code></pre> <p><strong>CSS</strong></p> <p>This is where most of the magic happens, see the comments for further explanation.</p> <pre><code>/* These two position each hotspot */ #hotspot1 { left:15%; /* we could use px or position right or bottom also */ top:20%; } #hotspot2 { left:35%; top:25%; } /* General styles on the hotspot */ .hotspot { border-radius:50%; width:40px; height:40px; line-height:40px; text-align:center; background-color:#CCC; position:absolute; } .hotspot .text { width:40px; height:40px; } /* Show the pointer on hover to signify a click event */ .hotspot .text:hover { cursor:pointer; } /* hide them by default and bring them to the front */ .hover-popup, .click-popup { display:none; z-index:1; } /* show when clicked */ .hotspot.clicked .click-popup { display:block; } /* show and position when clicked */ .hotspot:hover .hover-popup { display:block; position:absolute; left:100%; top:0; width:300px; background-color:#BBB; border:1px solid #000; } </code></pre> <p><strong>JavaScript (with jQuery)</strong></p> <p>Unfortunately you're going to have to use some JavaScript for the clicking part as CSS doesn't have a 'clicked' state (outside of hacks with checkboxes). I'm using jQuery because it's dead easy to do what I want.</p> <pre><code>$(document).ready(function () { $('.hotspot').click(function () { $(this).toggleClass('clicked'); }); }); </code></pre> <p><strong>Creating the arrow</strong></p> <p>Over at <a href="http://css-tricks.com/speech-bubble-arrows-that-inherit-parent-color/" rel="nofollow noreferrer">css-tricks</a> you can find a tutorial for attaching an arrow to a element using the <code>:before</code> and/or <code>:after</code> pseudo-elements. You can even 'simulate' a border around them by placing the <code>:after</code> element on top of the <code>:before</code>. But yea, lots of resources on how to do this.</p>
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