Выровнять по центру по вертикали

Vertically centers the selected objects. If only one object is selected in Draw or Impress, the center of the object is aligned to the vertical center of the page.

Доступ к этой команде

From the menu bar:

Choose Format - Align Text - Centered.

From the tabbed interface:

Choose

From the sidebar:

Select Properties - deck.

From toolbars:

По центру

To align the individual objects in a group, to enter the group, select the objects, right-click, and then choose an alignment option.