Comparison Layout

Click on the 4th one in the list - Comparison Layout.

Select both subtitle boxes:

1. click in the subtitle box on the left
2. hold SHIFT and
3. click on subtitle box on the right.

Pump up the font size to 32

Now change the font color to something from your theme colors, or you can choose a custom color - don't choose the default red - choose a color that stands out and goes with your theme.

This gives you something like this...

To go back to your slides, click on the Normal View button (on the bottom right of your window)...

Your slides will now all have the nice headings.