Lightbox issue with HTML5 output
We have recently discovered an issue with HTML5 output which effects the in-built lightbox feature.
I built what I thought was a pretty nifty glossary which opens as a lightbox slide, allowing me to create each entry as a separate slide as opposed to having dozens of layers. Works perfectly in Flash, however as HTML5 output, the lightbox opens at what seems to be a fixed portion of the slide instead of shrinking the whole slide down to fit (have tried with several different slide proportions, all with the same effect). It seems to include only the top left two-thirds of the slide.
Anyone got any ideas? I've tried a few goofs to try and convince it include the whole slide but nothing appears to help. Issue occurs in Chrome, Safari and Firefox.
I can send a test file, but you can probably create one yourself in about 10 seconds.