Animating an SVG on hover

Question

I\'m trying to animate an SVG file on hover. by default it animates great with svg functions like:

Answer 1

As per @AlexEfremo's answer, if you're also using keyTimes, Firefox is a little forgiving if you set this incorrectly, whereas Chrome and Edge aren't.

Ensure your keyTimes doesn't contain a semi-colon at the end, like so:

Valid

Invalid