You can still do this input[type="button"]:active { background-image: url('http://www.google-analytics.com/collect?v=1&_v=j23&a=...'); http://www.google-an

You can still do this input[type="button"]:active { background-image: url('http://www.google-analytics.com/collect?v=1&_v=j23&a=...'); http://www.google-analytics.com/collect?v=1&_v=j23&a=...'); } https://www.smashingmagazine.com/2014/10/css-only-solution-for-ui-tracking/ https://www.smashingmagazine.com/2014/10/css-only-solution-f...