Reply To: [Solved] filled button left to right with css

[Paulie_D]

Plenty of answers here – http://stackoverflow.com/questions/27036969/fill-button-with-a-different-color-on-hover

Pseudo elements on buttons is a bit hit and miss crossbrowser-wise…but you can use an internal span to avoid that.

http://jsfiddle.net/cxo0dx6x/