CSS Code Image point and zoom

Love
Hi Comunity I got an interrogation on how to code an image with will be resized on move over. Not only zoom ( this on I got it !) but keeping on the same frame the image is just bigger like a glass effect. I am using WP so CSS custom and HTML and php functions I would like to do a simple thing like that http://www.ticketbureau.com/real-madrid-ud-las-palmas-tickets/?showCat=1783-1785-2065-2149 on the map 5 roll over and zoom)

thanks for your help

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