Liviu

Thanks a lot of the bug report. Will try and get this sorted for the 1.6.0 release

Had a quick look and ran it locally on firefox ... seems to work. We need to make the popup width consistent as well as the minimum firefox version in...

This requires custom implementation to add custom html for each overlay. Native html titles can't be customized

@nhoizey can you look if this is still an issue with the 1.5.0 release? thanks