Could you please create the Event Bubbles with a CSS class? This would make it possible to customize the style of the bubble as a whole.
I am running into problems at the moment, because the bubble defines (in an inline style) a padding of 4 pixels all around. This doesn't fit well with our application's styling, but it isn't possible to change this using only CSS. If the Bubble div had its own class name, then I would be able to just over ride it.