Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<style>
img {
    -webkit-filter: contrast(200%); /* Chrome, Safari, Opera */
    filter: contrast(200%);
}
</style>

<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "//hm.baidu.com/hm.js?73c27e26f610eb3c9f3feb0c75b03925";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</head>
<body>

<p>Adjust the contrast of the image:</p>

<img src="pineapple.jpg" alt="Pineapple" width="300" height="300">

<p><strong>Note:</strong> The filter property is not supported in Internet Explorer.</p>

</body>
</html>