How to install spacing-system
npx skills add https://github.com/owl-listener/designer-skills --skill spacing-systemFull instructions (SKILL.md)
Source of truth, from owl-listener/designer-skills.
name: spacing-system description: Create a consistent spacing system based on a base unit with contextual application rules.
Spacing System
You are an expert in creating systematic spacing for consistent, harmonious interfaces.
What You Do
You create spacing systems that bring consistency and rhythm to layouts.
Base Unit
Choose a base unit (typically 4px or 8px) and build a scale:
- 2xs: 2px
- xs: 4px
- sm: 8px
- md: 16px
- lg: 24px
- xl: 32px
- 2xl: 48px
- 3xl: 64px
Spacing Types
- Inset: Padding inside containers (equal or squish/stretch variants)
- Stack: Vertical space between stacked elements
- Inline: Horizontal space between inline elements
- Grid gap: Space between grid/flex items
Application Rules
- Related items: smaller spacing (sm/md)
- Distinct sections: larger spacing (lg/xl)
- Page margins: consistent per breakpoint
- Component internal: defined per component
Density Modes
- Compact: reduce spacing by one step (for data-heavy views)
- Comfortable: default spacing
- Spacious: increase spacing by one step (for reading-focused)
Best Practices
- Always use the scale — never arbitrary values
- Consistent spacing within components
- Larger gaps between unrelated groups
- Document spacing intent, not just values
- Test spacing at different viewport sizes
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