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)