Fancybox is a very popular image gallery library. In this blog post, I am going to explain, how we can implement Fancybox library in custom Magento theme. 1. Download the library from http://fancyapps.com/fancybox/3/. 2. Unzip the folder and copy jquery.fancybox.min.js and jquery.fancybox.min.css file and paste both files in your theme skin folder CSS and JS …