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Master Mobile-First Design

Build responsive, accessible websites starting with mobile devices. This educational project demonstrates modern web development practices through a complete portfolio site.

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What You’ll Learn

This course teaches mobile-first development through a real portfolio website. You’ll master responsive design, modern CSS techniques, and accessibility best practices.

Mobile-First Methodology

Start with mobile designs and progressively enhance for larger screens

Responsive Layouts

Create fluid layouts that adapt seamlessly across all device sizes

Modern CSS

Use CSS custom properties, grid, flexbox, and container queries

Accessibility

Build inclusive experiences with semantic HTML and ARIA labels

Key Features

The project uses proper HTML5 semantic elements and ARIA labels for improved accessibility and SEO. Every component follows web standards.
A centralized design system using CSS variables for colors, spacing, and layout values. Easy to maintain and customize.
Eight complete sections: header, hero, skills, experience, about, projects, testimonials, and contact form. All fully responsive.
Modern image formats (WebP) with fallbacks, lazy loading, and responsive images using srcset for optimal performance.
Progressive enhancement with JavaScript for mobile navigation toggle and smooth user interactions.

Quick Navigation

Introduction

Project overview and learning objectives

Quick Start

Set up the project in minutes

Components

Explore all UI components

Styling Guide

CSS architecture and design system

Best Practices

Web standards and optimization

View on GitHub

Access the source code

Built With Modern Standards

This project demonstrates professional web development practices:
  • HTML5 - Semantic structure with proper ARIA attributes
  • CSS3 - Custom properties, Grid, Flexbox, Container Queries
  • JavaScript - Progressive enhancement for interactivity
  • Mobile First - Designed for mobile, enhanced for desktop
  • Accessibility - WCAG compliant with screen reader support
  • Performance - Optimized images, lazy loading, efficient CSS

Build docs developers (and LLMs) love