All in One Calendar Monthly View Pop-ups Cut off

Hi,
I read about a similar problem with the pop-ups in widgets. My problem is with the regular-size calendar (not the widget), in the MONTH view, using all-day events. The problem occurs in Firefox and Chrome (I haven’t tested it in Safari yet). When hovering over the event name, the pop-up box gets cut off on the left side for monthly dates that are in the first 2 columns on the left.

I’ve changed the css code to compensate a little bit. I also tried making the z-index really high on a lot of the classes, but to no avail. I’m leaving that in so you can see what I’m talking about:

.ai1ec-month-view .ai1ec-popup-summary-wrap {
position: absolute;
right: 5%;
top: 50%;
visibility: hidden;
z-index: 599999 !important;
}

I’m developing the site locally, so I can’t provide links, sorry.
I really like the pop-up feature, so thanks in advance for any help on this.