cssdb

A list of CSS features and their positions in the process of becoming implemented web standards

v8.3.0 URL: https://unpkg.com/cssdb@8.3.0/cssdb.json

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css features specifications stages

postcss-preset-env

Convert modern CSS into something browsers understand

v10.2.3 URL: https://unpkg.com/postcss-preset-env@10.2.3/dist/index.cjs

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postcss-nesting

Nest rules inside each other in CSS

v13.0.2 URL: https://unpkg.com/postcss-nesting@13.0.2/dist/index.mjs

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atrules child children css cssnext csswg nested nestings postcss postcss-plugin rules selectors specifications specs syntax w3c

storybook-addon-specifications

Add tests to your react storybook stories

v2.2.0 URL: https://unpkg.com/storybook-addon-specifications@2.2.0/dist/index.js

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storybook tests react specifications

ecmarkup

Custom element definitions and core utilities for markup that specifies ECMAScript and related technologies.

v21.3.0 URL: https://unpkg.com/ecmarkup@21.3.0/lib/ecmarkup.js

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ecmascript javascript specs specifications markup markdown html code