HTML Structure
Document skeleton and tags
Headings
<h1>–<h6> usage
Line Breaks
Using <br>
Lists
Ordered, unordered, description
Text Formatting
Bold, italic, underline...
Marquee
Scrolling text
Images
Embedding & attributes
Video
<video> tag
Embed Media
Audio & iframe
Links
<a> tag
Anchor Tag
Fragment identifiers
Comments
<!-- -->
Tables
Tabular data
Blocks
div, span, section…
Layout
Flexbox & Grid
Forms
Inputs & controls
Buttons
<button> element
Meta & Doctype
Document metadata