<!DOCTYPE html>
<html>
<head>
    <style>
        .stage {
            margin: 20px;
            width: 300px; height: 250px;
            border: 2px solid black;
            transform-style: preserve-3d;
        }
        
        .slide {
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            background-color: blue;
            transform: translateX(0px);
        }
    </style>
</head>
<body>
    <div class="stage">
        <div id="target" class="slide" onanimationend="animationEnded()"></div>
    </div>
</body>
</html>