Get your own website Result Size: 625 x 534
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<!DOCTYPE html>
<html>
<head>
<style>
img:hover {
  transform: scaleX(-1);
}
</style>
</head>
<body>
<h2>Flip an Image</h2>
<p>Move your mouse over the image.</p>
<img src="paris.jpg" alt="Paris" width="400" height="300">
</body>
</html>