Hover transparency

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Page title</title> <style> img { float: left; margin-right: 5px; opacity: 0.4; filter: alpha(opacity=40); /for IE8 and earlier versions/ } img:hover { opacity: 1.0; filter: alpha(opacity=100); } </style> </head> <body> <img src="flower.png"> <img src="circle.png"> </body> </html>	Result:
Edit the code listed above and click the "GO" button to view the result.