CSS Responsive Hotspots
Tags: css, webdev
Published: 2019-09-22 15:52:02

This code sample shows how to create hotspots for a responsive image entirely in CSS and HTML. When the image scales according to changes in viewport width, the hotspots and their respective tool tips will move accordingly.

Originally published at [jimfrenette.com/css/responsive-hotspots](https://jimfrenette.com/css/responsive-hotspots/)


<a href="https://jimfrenette.com/code-editors/sandbox/responsive-hotspots/" title="Demo and edit in our sandbox"><img src="https://thepracticaldev.s3.amazonaws.com/i/s1h55ebp3d2cg1rb4l6v.jpg" alt="Photo of my dog with the hotspots and active tooltip"></a>
[Demo and edit in our sandbox](https://jimfrenette.com/code-editors/sandbox/responsive-hotspots/)

##### HTML

```html
<div class="hotspot-demo-1">
	<div class="hotspot-demo-1-left">
		<img src="/images/2015/05/kingston.jpg" />
		<div class="spots">
			<div id="spot-01">
				<a class="spot">+</a>
				<blockquote>These are my dog tags
					<span class="notch notch-right"></span>
				</blockquote>
			</div>
			<div id="spot-02">
				<a class="spot">+</a>
				<blockquote>I am loyal and love my humans 
					<span class="notch notch-top"></span>
				</blockquote>
			</div>
			<div id="spot-03">
				<a class="spot">+</a>
				<blockquote>My coat has brindle in it
					<span class="notch notch-left"></span>
				</blockquote>
			</div>
		</div>
	</div>
</div>
```

##### CSS

```css

blockquote {
	position: relative;
	display: none;
	border-radius: 8px;
	padding: 8px;
	text-align: center;
	line-height: 1.5em;
	color: #fff;
	background-color: rgba(0,0,0,0.7);
}
blockquote .notch {
    position: absolute;
    padding: 0;
    width: 0;
    height: 0;
}
blockquote .notch-top {
    top: -10px;
    left: 50%;
    margin-left: -10px;
    border-top: 0;
    border-right: 10px solid transparent;
    border-bottom: 10px solid rgba(0,0,0,0.7);
    border-left: 10px solid transparent;
}
blockquote .notch-right {
	top: 50%;
	right: -10px;
	margin-top: -10px;
    border-top: 10px solid transparent;
    border-right: 0;
    border-bottom: 10px solid transparent;
    border-left: 10px solid rgba(0,0,0,0.7);
}
blockquote .notch-bottom {
	bottom: -10px;
	left: 50%;
	margin-left: -10px;
    border-top: 10px solid rgba(0,0,0,0.7);
    border-right: 10px solid transparent;
    border-bottom: 0;
    border-left: 10px solid transparent;
}
blockquote .notch-left {
	top: 50%;
	left: -10px;
    margin-top: -10px;
    border-top: 10px solid transparent;
    border-right: 10px solid rgba(0,0,0,0.7);
    border-bottom: 10px solid transparent;
    border-left: 0;
}
img {
	display: block;
	width: 100%;
}
.hotspot-demo-1-left {
	position: relative;
	width: 50%;
}
.spots {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
}
.spot {
    position: absolute;
  	text-align: center;
  	line-height: 32px;
    font-size: 32px;
  	font-weight: bold;
  	color: #fff;
    width: 32px;
    height: 32px;
	border: 1px solid #5FB404;
	border-radius: 16px;
	background-color: #5FB404;
}
.spot:hover {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}
#spot-01, #spot-02, #spot-03 {
	display: inline-block;
	min-width: 250px;
}	
#spot-01 {
	position: absolute;
    top: 65%;
    left: 78%;
}
#spot-01:hover > blockquote {
	display: block;
	top: -16px;
	left: -91%
}
#spot-02 {
	position: absolute;
    top: 28%;
    left: 57%;
}
#spot-02:hover > blockquote {
	display: block;
	top: 36px;
	left: -43%;
}
#spot-03 {
	position: absolute;
    top: 45%;
    left: 20%;
}
#spot-03:hover > blockquote {
	display: block;
    top: -16px;
    left: 18px;
}

```