CSS Math Units

Use this skill to trace how CSS values become computed layout values. It is useful for unit conversion, inherited size multiplication, calc expressions, custom property math, and box model sizing.

Quick Start

1. Read guidelines.md to select the smallest relevant file set.
2. Load references/css-calculations/rules.md for implementation decisions.
3. Load references/css-calculations/examples.md when editing code.
4. Use workflows/debug-css-calculation.md for multi-step derivation or debugging.

Contents