plugin postcss que tailwindcss nécessite POSTCSS 8. Guide de migration pour les utilisateurs finaux

yarn remove tailwindcss postcss autoprefixer
yarn add tailwindcss@npm:@tailwindcss/postcss7-compat @tailwindcss/postcss7-compat postcss@^7 autoprefixer@^9

# For zsh:
yarn add "tailwindcss@npm:@tailwindcss/postcss7-compat" "@tailwindcss/postcss7-compat" "postcss@^7 autoprefixer@^9"
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