More information can be found in the following articles and documents:
- PyCharm documentation: Web Frameworks, JetBrains s.r.o. (https://www.jetbrains.com/help/pycharm/web-frameworks.html)
- Web Design 101: How HTML, CSS, and JavaScript Work, HubSpot (https://blog.hubspot.com/marketing/web-design-html-css-javascript)
- Emmet documentation: Emmet — the essential toolkit for web-developers, (https://docs.emmet.io)