The Undo Contents tool undos the last content change.
The Undo Template tool undos the last template change.
The Undo Layout tool undos the last layout change.
The Undo Main Menu tool undos the last main menu change.
The Undo Sub Menu tool undos the last sub menu change.
The Undo Sidebar tool undos the last side bar change.
The Undo Header Image tool undos the last header image change.
The Undo Colors tool undos the last color change.
The Undo Default Fonts tool undos the last default fonts change.