How to give the presentation background?
To give the presentation background:
1 When you are on the project page, go to the Premade styles tab located on the Bottom panel.
2 You will find the Backgrounds library there. It is divided into several categories. Click the left mouse button on fourht category. When you will run into it, its borded will change to the dotted line.
3 The next gallery with all the backgrounds in the selected category will appear. Choose one of them and click on it with the left mouse button.
4 It will change the backround of the selected project page.