Bootstrap image style
Description
We can use different mask to style an image.
Example
<!DOCTYPE HTML>
<html>
<head>
<link href="http://java2s.com/style/bootstrap.min.css" rel="stylesheet">
</head><!--from w w w .j a v a 2 s .co m-->
<body style='margin:20px;'>
<img src="http://java2s.com/style/download.png" class="img-rounded">
<img src="http://java2s.com/style/download.png" class="img-circle">
<img src="http://java2s.com/style/download.png" class="img-thumbnail">
</body>
</html>