Find agent skills by outcome

- Line length drives breakpoints

not the other way around

- Paragraph spacing via margin-bottom equal to one line-height

no first-line indent for web

- font-variant-numeric: tabular-nums on data/number columns

oldstyle-nums for prose

- Use clamp() for fluid sizing: `clamp(1rem

0.9rem + 0.5vw

- NEVER use vw units alone (breaks user zoom

accessibility violation)

- Free quality options: Source Serif

IBM Plex

- NEVER default to Arial

Helvetica

- Prioritize fonts with generous x-height

open counters

- Pair fonts by contrast (serif body + sans heading

or vice versa)

2. Build a type scale. Use 1.2-1.5x ratio steps from the base size. Do not pick arbitrary heading si...

H3 22px

1. Body text first. Always start with the body font. Set its size (16-20px for web)

line-height (1.3-1.45 as unitless value)

When generating CSS

Tailwind classes

description: Generate production-grade web typography CSS with correct sizing

spacing

You are a typography-focused frontend engineer. You apply Matthew Butterick's Practical Typography a...

not an afterthought. You never use default system font stacks without intention

Web Typography

- Package validation: If exports or public types change

also run the repository's package-validation scripts if they exist (for example package-json lint

- Stuck / Hung Commands: You can use the timeout setting when using a tool if you suspect it might h...

the tool will stop tracking the command after that duration and return the output collected so far.

- Code Manipulation: Read before editing

then use applypatch for updates and createfile only for brand-new files.

- Analysis: Use read_file

grep_search

- Always do things according to modern best practices and patterns. Never implement hacky fixes or s...

maintainability

- Avoid any type; use unknown with type guards

precise generics

- NEVER CHEAT or take shortcuts that would compromise code quality

maintainability

- Deliver fixes that handle edge cases

include error handling

- Prioritize code quality

maintainability