Reduce the built CSS size of an app using @allxsmith/bestax-bulma — measure raw and gzip size, then apply the cheapest lever that fits (lighter prebuilt CSS flavor, hand-rolled modular Sass build, import and icon-asset hygiene).
Install
npx skills add allxsmith/bestax --skill bestax-optimizenpx skills add allxsmith/bestax --skill bestax-optimize -a claude-code -gnpx skills add allxsmith/bestax --skill bestax-optimize -a codex -ggemini skills install https://github.com/allxsmith/bestax.git --path skills/bestax-optimizegh skill install allxsmith/bestax bestax-optimizegit clone --depth 1 https://github.com/allxsmith/bestax /tmp/allxsmith__bestax
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/allxsmith__bestax/skills/bestax-optimize ~/.claude/skills/bestax-optimize # Claude Code
cp -R /tmp/allxsmith__bestax/skills/bestax-optimize ~/.agents/skills/bestax-optimize # Codex, Cursor, Gemini CLI, Copilot, OpenCode