[solved] How Change Vertical Spacing between Toolbar Items

That does not work. No matter to what I set the vertical margins, the vertical spacing between items in the toolbar does not change.

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Allow me to clarify. All settings between 0 and 6 produce the same vertical spacing. Above 6 it spaces out. I want less space between items than is produced by any setting.

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Now I see that I must hit "refresh" after making the changes. I now see that each step does work. But the problem remains. I want less vertical space between items than your 0 setting provides.