CSS animations
Since v 3.12.0 all elements of the chart can have class names set – all you need to do is setting addClassNames property of a chart to true. This feature allows you to control the look of a chart using CSS and even more – use CSS animation to highlight specific areas in your chart. Note, CSS animations are not available on all browsers – even modern IE doesn’t support them. Be careful – CSS animations use a lot of CPU resources.
Demo source