CSS opacity has been a bit of a trendy technique for a few years now, and it’s been especially frustrating for developers trying to implement opacity (also referred to as CSS transparency) in a cross-browser fashion, because it’s taken a while for the different browsers to finally agree on settings. There is still not a universal method to ensure opacity settings work on all currently-used browsers, but things have improved in the last little while.
This reference is going to provide a detailed overview of CSS opacity, along with some code examples and explanations to help you implement this useful CSS technique in your projects equally across all browsers…