
CSS Opacity or Transparency:
The opacity property is used to specify the transparency of an element. The value of opacity can range from 0.0-1.0. The lower the value, more will be the image transparency.
<!--HTML Tag-->
<html>
<!--Head Tag-->
<head>
<!--Style Tag-->
<style>
img
{
opacity: 0.5;
filter: alpha(opacity=50); /* For IE8 and earlier */
}
<!--Close Tag-->
</style>
<!--Close Tag-->
</head>
<!--Body Tag-->
<body>
<!--Heading Tag-->
<h1>Image Transparency</h1>
<!--Paragraph Tag-->
<p>The opacity property specifies the transparency of an element. The lower the value, the more transparent:</p>
<p>Image with 50% opacity:</p>
<img src="img_forest.jpg" alt="Forest" width="170" height="100">
<!--Close Tag-->
</body>
<!--Close Tag-->
</html>

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