Style
In the gallery view, frame borders are color-coded to make it easy to identify which one is currently active, which are currently selected, and what the active range is. The tools in this group allow you to change the color assignments for this color-coding system. The option in the Style group are:
Reset Style: Click this tool to reset the color assignments to their defaults (Active frame – Red, Selected frames – green, Active Range – yellow).
Reset Zoom: Click this tool to reset the zoom of the frames to their default size (the default size of the thumbnail images are ~128 pixels).