The revamped taskbar also allows the reordering of taskbar buttons. There is no taskbar or desktop panel or equivalent. There are also fewer options for customizing the themes, desktop, and taskbar. The glass taskbar is more translucent than in Windows Vista. GNOME Panel is a highly configurable taskbar for GNOME. All running apps are hidden from the taskbar and a back button appears. This theme includes an orange Start button and black taskbar/Start menu. Instead of just disappearing, a window may fade away, or visibly shrink to the taskbar. Classic Mac OS did not display a taskbar onscreen by default. However, Windows 8.1 added the start button back to the taskbar after many complaints. Only windows that have not been minimized to the taskbar can be captured. The Windows taskbar can be modified by users in several ways. At PDC 2008, Microsoft demonstrated Windows 7 with its reworked taskbar. Programs running or pinned on the taskbar can be rearranged. Sticky Notes have jumplists and a taskbar preview, which shows the notes in a stack.