resize widgets

How to resize custom widget or container widget?

Hi,

I have a requirement where I have to ensure that my custom widget is displayed the entire webpage.(top to bottom, left to right). No empty space should be present.
Right now the custom widget can be displayed 100% of webpage's width(i.e 12 columns) and approx. 30% webpage's height, but I want the custom widget's height to be 100% of webpage. Is it possible to do this in BPM 7.2? If yes, please give details.

Additionally another question is: Is it possible to change the height of the container widget? If yes, please explain how.

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