Hover effects using CSS3 touch events
I am using CSS3 hover and transitions to show and hide an image. On mobile devices I would like to use the same transition for touch events.
Basically, the first touch would perform the hover effect or rollover, and the touch up would perform the roll off.
I would like to stay away from using JavaScript to do this. If there is a way to do it with pure CSS3 that would be the best option.
Answer
Use the :active pseudo-class in your css, then add ontouchstart="" and onmouseover="" to the body tag.
The following code is excerpted from my site, in which I have buttons that get smaller and glow white when hovered(on pcs) or held down(on touch devices)
<style>
.boxbutton:active{
-webkit-transform:scale(0.9);
-moz-transform:scale(0.9);
-ms-transform:scale(0.9);
-o-transform:scale(0.9);
transform:scale(0.9);
-webkit-box-shadow:0px 0px 20px #FFF;
-moz-box-shadow:0px 0px 20px #FFF;
-o-box-shadow:0px 0px 20px #FFF;
box-shadow:0px 0px 20px #FFF;
}
</style>
<body ontouchstart="">
<a href="#teamdiv">
<div class="boxbutton" id="teambb">
<h5>Team</h5>
</div>
</a>
</body>
The following edits are no longer relevant because I have deleted the original, incorrect instructions, but if you were here before these may still be helpful
EDIT: I have discovered it works more reliably if, rather than putting ontouchstart="" in each link, put it in the <body> tag. So your body tag should look like this<body ontouchstart=""> and your links look like this
<a href="#teamdiv">
<div class="boxbutton" id="teambb">
<h5>Team</h5>
</div></a>
EDIT 2: I have figured out that, rather than copying your CSS and use screen size queries for desktop, just add `onmouseover="" to the body tag also, so the :active pseudo class will be called by the mouse on the desktop AND by touches on mobile. You can just ignore the rambling about media queries if you do this.