Popup should have max height with scrollable content

[bmidget]

If popup content is too large, it extends past the top and bottom of the viewport. What it should do, however, is create a max height and let the content area be scrollable.

[zirkler]

Demo: http://codepen.io/anon/pen/LFkum?editors=001

[perrygovier]

Good catch. Thanks for the example!

[ajeesh13]

I have the same issue.could you please help me.
The example given here is working or not?
While i was checking it doesn't meet the requirement

Thanks in advance