Float issue in FireFox ?

Hi - I am having an issue with FF (using ver 25.0.1) in properly displaying some thumbnail images with captions underneath.
Here is what this should look like:

Image1            Image 2          Image3
Caption1          Caption2        Caption3  etcc..

In FF it looks more like
Caption1          Caption2         Image1        Image2         Image3

Not good, but works fine in IE 10. Here is the code:

foreach (string srcName in movieList)                 {   &nb ...