First Move (11~18) - Code, Learn, Build
🧭 Career CompassDashboardProgress
Loading...
First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

© 2026 First Move (11~18) • CODE • LEARN • BUILD. Built with Next.js App Router.

Readability & Accessibility First

🏠Home/📚Courses/🎨HTML5 & Modern CSS Layout Systems
Web Development⭐ Beginner

HTML5 & Modern CSS Layout Systems

Master semantic HTML markup, web accessibility (a11y), modern Flexbox & Grid layouts, and responsive UI design.

Modules
3
Lessons
6
Duration
~35h
Practice
8 items
Web Development Responsive User Interface Design
🎨
HTML5 & Modern CSS Layout Systems
Interactive Workbenches • Real Code Verification
First Move (11~18) Certified
💡Competency Blueprint

Skills You'll Build

Develop a complete tripartite engineering profile combining deep technical execution, rigorous analytical problem solving, and professional industry collaboration.

⚙️

Technical Skills

Foundational syntax, runtime mechanisms, and domain architectures.

✓Semantic HTML5 Markup
✓CSS Flexbox & CSS Grid
✓Responsive Breakpoint Design
✓CSS Custom Properties (Variables)
✓WCAG Accessibility & ARIA
✓SEO Metadata & OpenGraph
🧠

Problem Solving & Optimization

Algorithmic reasoning, performance profiling, and defensive error mitigation.

✓Cross-Browser Compatibility Debugging
✓Layout Shift Prevention (CLS)
✓CSS Specificity Hierarchy Management
✓Fluid Responsive Typography Scaling
🤝

Professional & Collaborative Engineering

Version control workflows, code review literacy, and industry documentation.

✓Figma-to-Code Translation
✓Clean CSS Organization & BEM
✓Mobile-First Philosophy
✓Code Documentation & Accessibility Auditing
🛠️Engineering Toolchain

Tools & Technologies You'll Work With

Master the exact production technologies, runtimes, development frameworks, and deployment platforms demanded by modern engineering teams.

🌐
CORE

Semantic HTML5

Markup Core

Semantic structure, metadata SEO, ARIA roles, and accessible form controls.

🎨
CORE

Modern CSS3 & Flexbox/Grid

Styling Core

CSS custom properties (variables), animations, transitions, and layout engines.

🚀
TOOL

Git & GitHub Pages / Vercel

Deployment

Instant continuous deployment and web hosting pipelines.

🔍
TOOL

Chrome Developer Tools

Inspection

DOM inspection, responsive viewport emulation, and performance auditing.

🏢Real-World Impact

Where You'll Use This

The engineering skills developed in HTML5 & Modern CSS Layout Systems power critical digital infrastructure across diverse high-impact sectors worldwide.

💻

Frontend Web Engineering

Craft responsive landing pages, customer portals, and web interfaces across all device viewports.

Representative Systems:
SaaS Web AppsMarketing Landing PagesE-Commerce Storefronts
🎨

UI/UX & Design Systems

Translate Figma designs into pixel-perfect, accessible CSS token architectures and component libraries.

Representative Systems:
Component LibrariesTailwind/CSS Design TokensDesign Handoff
♿

Web Accessibility & Performance

Ensure compliance with WCAG 2.1 AA accessibility guidelines, fast Core Web Vitals, and SEO tags.

Representative Systems:
High-Performance BlogsGovernment Web PortalsSEO Optimized Sites
🧭Signature Career Journey

The Course-to-Career Connection

Experience how every lesson, coding exercise, and tool in this course connects directly to high-impact engineering job roles. Hover or tap any stage to inspect connections.

Step 1: Course
📚

Web Development (HTML & CSS)

Foundational curriculum & interactive coding challenges

Web Development (HTML & CSS)
Step 2: Skills Built
💡

Engineering Skills

Applied technical competencies & problem solving

Semantic HTML5CSS Flexbox & GridResponsive Layouts+2 more...
Step 3: Tools Used
🛠️

Tools & Technologies

Industry-standard frameworks, IDEs & runtimes

HTML5CSS3Chrome DevTools+2 more...
Step 4: Application
🏢

Where It's Used

Mission-critical enterprise & cloud infrastructures

Frontend EngineeringResponsive DesignDesign Systems+1 more...
Step 5: Careers
💼

Career Opportunities

High-demand software engineering job titles

Frontend DeveloperUI EngineerWeb Designer+1 more...
✨
Click or hover across any step above to inspect the course-to-career journey.
Connecting foundational instruction ➔ technical competencies ➔ production tools ➔ industry jobs.
Explore All Job Roles ↓
💼Career Opportunities

Industry Roles You Can Prepare For

Explore the real-world software engineering positions directly powered by HTML5 & Modern CSS Layout Systems expertise. Review day-to-day responsibilities and core hiring prerequisites.

Entry-Level● Very High Demand

Junior Frontend Developer

Convert UI/UX mockups into pixel-perfect, responsive web pages and reusable components.

Target Hiring Skills:
HTML5CSS3Responsive DesignGitBasic JavaScript
Mid-Level● High Demand

UI Engineer / Web Designer

Bridge the gap between product design and engineering by implementing polished design systems.

Target Hiring Skills:
Advanced CSSCSS VariablesAnimationsAccessibility (a11y)Figma
🚀Portfolio Portfolio Showcase

Real Projects You Can Build

Prove your mastery through production-ready software artifacts. Every project in HTML5 & Modern CSS Layout Systems is designed to solve real-world problems and stand out on your engineering resume.

BeginnerPortfolio Grade

Modern SaaS Product Landing Page

Build a high-converting software landing page complete with hero section, feature cards, pricing table, and testimonials.

Skills Demonstrated:
Semantic HTML5CSS Flexbox & GridFluid TypographyCustom Properties
Tools Utilized:
HTML5CSS3Google FontsChrome DevTools
Deliverable: Production-ready responsive marketing site ready for hosting on Vercel.
IntermediatePortfolio Grade

Interactive Analytics & Metrics Dashboard Layout

Design a sleek administration dashboard with collapsible side navigation, stat cards, metric charts, and data tables.

Skills Demonstrated:
CSS Grid AreasGlassmorphism EffectsDark/Light Theme VariablesResponsive Breakpoints
Tools Utilized:
CSS3 VariablesSVG IconsResponsive Emulators
Deliverable: Modular dashboard interface template for modern web applications.
🗺️Structured Progression

Visual Learning Roadmap

A carefully sequenced 6-stage engineering curriculum designed to build your knowledge incrementally from core fundamentals to interview-ready production mastery.

Roadmap Progress0%
Stage 1⏱️ ~6 hrs

Foundation

Semantic HTML Structure and Document Hierarchy

Core Topics & Competencies:
HeadingsParagraphsLinksListsForms
Milestone: Personal Bio & Portfolio Structure
Stage 2⏱️ ~8 hrs

Core Styling

Box Model, Typography, and Color Harmonies

Core Topics & Competencies:
MarginsPaddingBordersWeb FontsColors
Milestone: Styling The Modern Business Card
Stage 3⏱️ ~10 hrs

Modern Layouts

CSS Flexbox Alignment and Flow Systems

Core Topics & Competencies:
Flex DirectionJustify ContentAlign ItemsFlex Wrap
Milestone: Responsive Navigation & Card Grid
Stage 4⏱️ ~12 hrs

Advanced Layouts

CSS Grid, Templates, and Two-Dimensional Alignment

Core Topics & Competencies:
Grid TemplatesRepeat & MinMaxGrid AreasGap Systems
Milestone: Magazine Layout & Analytics Dashboard
Stage 5⏱️ ~14 hrs

Responsive Web Design

Media Queries, Fluid Sizing, and Mobile-First UX

Core Topics & Competencies:
BreakpointsClamp() SizingResponsive ImagesMobile Menus
Milestone: Full Responsive Multi-Page Website
Stage 6⏱️ ~8 hrs

Career Readiness

Accessibility (a11y), Animations, and Deployment

Core Topics & Competencies:
WCAG ComplianceKeyframe AnimationsVercel Deployment
Milestone: Production Portfolio Launch
🎓

Certificate of Completion

Complete this learning path to earn your First Move (11~18) certificate.

🚧

Course Certification — In Development

Curriculum & Examination Expansion in Progress
CERTIFICATION IN DEVELOPMENT

Web Accessibility (a11y) practical labs and final examination are currently in development.

💡 You can still complete all existing lessons, coding exercises, and portfolio projects for this course to build skills.
Structured Learning Journey

Course Curriculum & Level Progression

Guided 3-tier progression taking learners from fundamental concepts to core practical engineering and production mastery.

🌱

LEVEL 1 — FOUNDATIONS

Learn absolute fundamentals, core syntax, environment setup, and fundamental logic blocks.

Module 1

Level 1: HTML5 Semantics, Accessibility & Forms

2 Lessons

Master structural HTML5 tags, document tree hierarchy, web accessibility (a11y) ARIA attributes, and form validation.

1
Semantic HTML5 Elements & Accessible Document Architecture⚡ Coding Exercise
Structure web documents cleanly using <header>, <nav>, <main>, <article>, <section>, <aside>, and <footer> tags. (30 mins)
Start Lesson →
2
Accessible HTML5 Forms, Inputs & Native Validation⚡ Coding Exercise
Construct accessible web forms using <input>, <select>, <textarea>, native constraints (required, pattern, min/max), and ARIA helper text. (30 mins)
Start Lesson →
🛠️

LEVEL 2 — CORE PRACTICE

Solve realistic problems, master data structures, error handling, design patterns, and mini-projects.

Module 1

Level 2: CSS Box Model, Flexbox & Grid Systems

2 Lessons

Master the CSS Box Model (content, padding, border, margin), box-sizing: border-box, Flexbox alignment, and 2D CSS Grid layouts.

1
CSS Box Model & 1D Layouts with Flexbox⚡ Coding Exercise
Understand border-box dimensions, margin collapse, flex-direction, justify-content, align-items, and flex-grow/shrink/basis rules. (35 mins)
Start Lesson →
2
2D CSS Grid Layouts & Mobile-First Media Queries⚡ Coding Exercise
Architect complex multi-column layouts using grid-template-columns (repeat, fr, minmax), grid-gap, and responsive CSS media queries. (40 mins)
Start Lesson →
🚀

LEVEL 3 — ADVANCED & PRODUCTION MASTERY

Apply knowledge to real software architecture, security, optimization, scale, and portfolio capstones.

Module 1

Level 3: CSS Custom Properties, Animations & Glassmorphism

2 Lessons

Implement dynamic dark/light theme switching with CSS Custom Properties (--variables), CSS @keyframes transitions, and modern UI design trends.

1
CSS Custom Properties (Variables) & Theme Switching⚡ Coding Exercise
Declare scoped CSS variables (--primary-bg), implement dark/light theme cascades, and manage design system tokens. (35 mins)
Start Lesson →
2
CSS Transitions, Keyframe Animations & Glassmorphism UI⚡ Coding Exercise
Construct smooth CSS transform transitions, multi-stage @keyframes animations, and frosted glass visual UI using backdrop-filter. (40 mins)
Start Lesson →

🏆 Hands-On Portfolio Projects

BEGINNER PROJECT⏱️ ~5h

Responsive Developer Portfolio Website

Build a responsive personal developer portfolio using semantic HTML5, CSS Flexbox, and CSS Grid.

Open Project Blueprint & Starter Code →
INTERMEDIATE PROJECT⏱️ ~6h

Modern CSS Glassmorphism Dashboard UI

Build a complex admin dashboard layout using modern CSS variables, Grid areas, dynamic themes, and micro-animations.

Open Project Blueprint & Starter Code →