If we want to see the particular part of the Image, we use the Clip Property. In this property, We specify the particular dimensions which we want to visible.
<html>
<head>
<style type="text/css">
img
{
position:absolute;
clip:rect(0px,40px,100px,0px);
}
</style>
</head>
<body>
<img src="123.jpg" height="40" width="50" />
</body>
</html>