You can change the background of single slides or add the change to the theme to change ALL slides

1) Click the SLIDE menu

2) Click CHANGE BACKGROUND

3) In the box that appears, click the arrow beside the colour circle to open up the colour choices, click the one you want .

4) Click DONE to only change that one slide

5) Click ADD TO THEME to change ALL slides

6) You might have noticed that you can also choose an IMAGE to use instead of a colour. You can upload an image you have saved OR you can search Google.

7) Just like above, you can change that ONE slide by clicking DONE or you can change ALL slides by clicking ADD TO THEME.

Check out the GIF below to see the steps in action.