• Revert margin: auto where position isn't specified (fix #679)
• Type-check and lint the TypeScript declaration file (#683) thanks to @toverux 🍻
• Examples: replace all.min.js with .js + .css, there's opened issue which should be fixed before releasing v7.0.0: #673
• Bump puppeteer in visual screenshots to 0.12.0 (#682)