Difficulties in hovering over histogram values

[machawk1]

After entering an URI in the service and hitting Calculate, a histogram is displayed:

Hovering over a bar show the number of mementos available for the time slice, where each bar represents a month.

One must be very precise to move the mouse a certain number of pixels to hover over the bar. This is quite inaccessible. Hovering "above" the bar does not display the value, as done on IA's Wayback Machine toolbar and interface. Very small values make the "hotspot" to activate the hover as small as a single pixel or two.

Please change this effect to activate on hovering within the histogram anywhere in the vertical space for the respective bar.

[machawk1]

The current ability to zoom for wider bars provides a nice solution to this.

Closing issue.