Tailwind CSS Spacing Utilities Skill

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

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

Card with Padding

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

Flex Items with Spacing

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

Stack with Vertical Spacing

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

See detailed references:

Agent Skills: Tailwind CSS Spacing Utilities

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