How to give outer glow to an object in a transparent png using CSS3?

Question

I\'m working on a project where I need to make modifications in more then 500 images to give outerglow on hover effect. I will need to modify each image to give

Answer 1

This can be done using filter(box-shadow). Have a look at http://demosthenes.info/blog/598/boxshadow-property-vs-dropshadow-filter-a-complete-comparison

Here is a demo http://jsfiddle.net/jaq316/EKNtM/

And here is the code