Toolbars above graphic-area. The height of the toolbars are not the same:

• Reduce the height of File, Run, Visibility [tools], and Edit toolbars by 2 pixels [from 51 to 49?

Toolbars to the left and right of the graphic-area

The width of the space allocated to the toolbars to the left and right of the graphic-area:

• Increase the width of the vertical strips by 3 pixels.