Initial rendering issue in collection widget.

I am using a collection widget here, but the problem which i am facing is that, when the mashup initially loads, the first box of the collection widget has incorrect width in the UI but whenever i just resize the window (like using the inspect element) the width of the widget goes back to the normal expected width. Basically the problem being in initial rendering of the mashup. 

As you can see this first box should be like the other ones but it's not correctly rendering, despite the fact that all the other cells use the same cell mashup which has a defined width and height..