In accordance with the theory of the inner skin that should use a size 36-60 Point, including font colors and backgrounds, in the same way to achieve balance and one slide, with no more than 6 lines of content.
Aligned with Skinner's theory that should be in font size 36 - 60 Point including font color and background in the same way to achieve a balance between a slide and a content of not more than 6 lines.
In accordance with the theory of the Skinner that should use the font size 36 - 60 Point. As well as the font color and background in the same for balance, and one slide to have content not exceeding 6 line.