Adjusting padding/margins between items of quick panel items

Please see screenshot of current/desired behaviour. The red arrows are the items I’m referring to in the title and would like to add padding to: Which rule do I need to add in my .sublime-theme (using Adaptive) to adjust the padding between items within quick panel menu items? I have tried several things from the default theme file, e.g the spacing property: { "class": "quick_panel_entry", "spacing": 1 } I have tried setting that to higher values but cannot see any visible changes, even a

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