HTML5 APPLICATIONS DEVELOPMENT MANUAL (2016)
2 - Understand the platform fundamentals
An important part of app development in the Windows environment is the Metro style user interface (UI), which is the UI used by the latest Microsoft Windows version: Windows 8. The Metro style UI includes features like a clean, uncluttered look and feel, use of the full screen, large hubs (graphical buttons), and a focus on lateral scrolling, to name a few.
The HTML5 family includes many new markup tags and technologies like media queries, geolocation, Modernizr, and much more. These technologies add a lot of functionality to HTML-based apps and help make the finished product more stylish.