LibreOffice 6.1 Help
Sets page orientation, page margins, background and other layout options.
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ამოირჩიეთ Format - ფურცელი
Changing the Slide Background Fill
Defines a background for a single page or for all of the pages in the active file.
To change the background of all of the pages in the active file, select a background, click OK and click Yes in the Page Settings dialog.