Choose Format - Arrange - Bring to Front (LibreOffice Writer, LibreOffice Calc).
Choose Shape - Arrange - Bring to Front (LibreOffice Draw).
Shift+CommandCtrl+plus sign (LibreOffice Impress, LibreOffice Draw).
Open context menu - choose Arrange - Bring to Front (LibreOffice Impress).
āϏāĻžāĻŽāύ⧠āύāĻŋāϝāĻŧā§ āĻāϏāĻž