Format Menu

On the context menu of a dimension line, choose \<emph\>Dimensions\</emph\>.

On the \<emph\>Lines and Arrows \</emph\>toolbar, click the \<emph\>Dimension Line\</emph\> icon.

Choose Format - Page

Choose Format - Page and then click the Page tab

Choose Format - Page and then click the Background tab

Choose Format - Slide Layout

In a Draw document, right-click a layer tab and choose \<emph\>Modify Layer\</emph\>

Choose \<emph\>Format - Layer\</emph\> (only LibreOffice Draw)

Choose Slide - Master Slide