Agent skill

tailwindcss-spacing

Spacing utilities Tailwind CSS v4.1. Margin (m-*, mx-*, my-*, mt-*, mr-*, mb-*, ml-*, -m-* negative, m-auto), Padding (p-*, px-*, py-*, pt-*, pr-*, pb-*, pl-*), Space between (space-x-*, space-y-*).

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/tailwindcss-spacing

SKILL.md

Tailwind CSS Spacing Utilities

Complete reference for Tailwind CSS v4.1 spacing utilities: margin, padding, and space-between.

Quick Reference

Margin Classes

  • m-{size}: All sides margin
  • mx-{size}: Horizontal (left + right)
  • my-{size}: Vertical (top + bottom)
  • mt-{size}: Top margin
  • mr-{size}: Right margin
  • mb-{size}: Bottom margin
  • ml-{size}: Left margin
  • -m-{size}: Negative margin
  • m-auto: Auto margin (centering)

Padding Classes

  • p-{size}: All sides padding
  • px-{size}: Horizontal (left + right)
  • py-{size}: Vertical (top + bottom)
  • pt-{size}: Top padding
  • pr-{size}: Right padding
  • pb-{size}: Bottom padding
  • pl-{size}: Left padding

Space Between Children

  • space-x-{size}: Horizontal spacing between flex/grid children
  • space-y-{size}: Vertical spacing between flex/grid children

Spacing Scale

Tailwind CSS v4.1 uses a configurable spacing scale where --spacing is the base unit (default: 0.25rem/4px).

Class Value
0 0
px 1px
0.5 calc(var(--spacing) * 2) = 0.5rem
1 calc(var(--spacing) * 4) = 1rem
2 calc(var(--spacing) * 8) = 2rem
3 calc(var(--spacing) * 12) = 3rem
4 calc(var(--spacing) * 16) = 4rem
6 calc(var(--spacing) * 24) = 6rem
8 calc(var(--spacing) * 32) = 8rem
12 calc(var(--spacing) * 48) = 12rem
16 calc(var(--spacing) * 64) = 16rem

Common Patterns

Centered Container

html
<div class="mx-auto">Centered content</div>

Card with Padding

html
<div class="p-6 bg-white rounded-lg shadow">Card content</div>

Flex Items with Spacing

html
<div class="flex space-x-4">
  <div>Item 1</div>
  <div>Item 2</div>
  <div>Item 3</div>
</div>

Stack with Vertical Spacing

html
<div class="space-y-4">
  <p>Paragraph 1</p>
  <p>Paragraph 2</p>
  <p>Paragraph 3</p>
</div>

See detailed references:

  • Margin utilities →
  • Padding utilities →

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