title: How Can I Flip the cards in (David walsh CSS flip trick) on click?
body: <p>I have implemented a good functional Flip-card using this article's <a href="http://davidwalsh.name/css-flip" rel="nofollow">David walsh CSS Flip</a> technique but I want to make the flip on a javascript event rather than on a CSS hover , <strong>please any help ?</strong></p>