How to center and change text size on slideshow

I seen the video showing how to use some options and the text was centered on the image. I cannot find the section to do this when creating a module. I have a test site up and you will see the text floats to the bottom which I have set but I would like it in the center of the image. Also is there any way to change text size. I am using the article but it will not make it any bigger than it is. 
Link:  lwbs.com/

Hi
if you have the Pro version you can go in the module options >> style >> edit >> in the popup, Caption tab >> layout
here you can choose "center" or "full screen" to make it in the middle of the image
CEd