Change size of next card

Hi there, is there any way to change/adjust the size of the container/card item that is next in line. Right now with this package the next card in line to the left looks about half the size. I wanted to make it larger.

I am trying to implement something like the refectly app coverflow. Where all the item are almost similar in size. 

Hope i expalined it ok. If not let me know.

Thanks