CSS prefixes: it’s not that simple

Too many developers use vendor prefixes in a way that harms website compatibility. The problem is multifaceted, and so there isn't really one group of people that are to blame, or one golden solution.

The problem has been there for a long time, but it's become visible through the rise of the mobile web and the relative quickening of implementation in browsers. I personally worked a lot with sites quite a few years ago to try to get them to add prefixes other than just -moz- for things like the CSS opacity property. IE tended to get its own path, because development was slow at the time, and many developers mainly cared about Firefox for standards-based code, and perhaps Safari—but not always.

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