Untitled Lesson
Skill Matrix
UNLOCK NODES BY LEARNING NEW TAGS.
🏆Lesson Achievements
HTML Master
Mastered HTML Foundation.
Explain the core mechanics of HTML Foundation without writing code.
💻 Code Challenge | +75 XP
Write a complete HTML structure using HTML Foundation.
Fix a broken implementation of HTML Foundation.
Task: Reorder the blocks in logical sequence to solve the problem.
Work with ADA to design a highly accessible UI that relies heavily on HTML Foundation.
A.D.A. Interface
Adaptive Didactic Assistant

Pascual Vila
Frontend Instructor // Code Syllabus
The Error //
Missing closing tags
<!-- Wrong -->
<div>
<p>Some text
</div>
<!-- Correct -->
<div>
<p>Some text</p>
</div>The Solution //
Always ensure that every opening tag has a corresponding closing tag, unless it is a self-closing element like <img> or <br>.
The Error //
Using unquoted attributes
<!-- Wrong -->
<div class=container id=main>
<!-- Correct -->
<div class="container" id="main">The Solution //
While HTML5 permits unquoted attributes in some cases, it's a best practice to always wrap attribute values in double quotes.