Follow the W3SCHOOL html tutorials
Introduction at W3schools
Editor at W3schools
Basic at W3schools
Elements
Element = Tag + Content
HTML Forms
HTML Form Elements
HTML Input Types
HTML Input Attributes
HTML5 Intro
HTML5 Support
HTML5 Elements
HTML5 Semantics
HTML5 Migration
HTML5 Style Guide
HTML Canvas
HTML SVG
HTML Media
HTML Video
HTML Audio
HTML Plug-ins
HTML YouTube
HTML Geolocation
HTML Drag/Drop
HTML Local Storage
HTML App Cache
HTML Web Workers
HTML SSE