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BeginnerFrontend
~20 Hours 11 Lessons100% Free

CSS3 Architecture, Flexbox & Grid Mastery

Master modern styling, responsive layouts, CSS Grid, Flexbox, transitions, and container queries.

Deep dive into CSS: box model, specificity, Flexbox alignment, CSS Grid 2D layouts, responsive typography, custom properties (CSS variables), animations, transforms, and modern container queries.

What You Will Learn

  • The CSS Box Model & Sizing Mechanics
  • Flexbox 1D Layout System
  • CSS Grid 2D Layout System
  • Responsive Design & Media Queries
  • Container Queries (@container)
  • CSS Variables & Theming

Prerequisites & Environment

  • HTML Fundamentals

Complete Course Curriculum (11 Modules)

11 In-Depth Lessons
Module 01

Module 1: Introduction to CSS & Syntax Rules

1 Lessons

CSS selectors, element targeting, inline vs internal vs external stylesheets.

Module 02

Module 2: The Cascade, Specificity & Inheritance

1 Lessons

How browsers resolve style conflicts, calculate specificity weights, and inherit values.

Module 03

Module 3: The Box Model & Sizing Mechanics

1 Lessons

Content, padding, border, margin, margin collapsing, and universal border-box reset.

Module 04

Module 4: Typography, Web Fonts & Responsive Units

1 Lessons

rem vs em vs px, font-family, font-display: swap, and line-height.

Module 05

Module 5: Colors, Gradients & Modern Color Spaces

1 Lessons

HEX, RGB, HSL, modern OKLCH color spaces, alpha channels, and linear/radial gradients.

Module 06

Module 6: Flexbox 1D Layout Engine

1 Lessons

Main axis vs cross axis, justify-content, align-items, flex-grow, flex-shrink, and wrap.

Module 07

Module 7: CSS Grid 2D Layout Engine

1 Lessons

Grid tracks, fractional units (fr), grid-template-areas, and auto-fit responsive patterns.

Module 08

Module 8: Responsive Design, Media & Container Queries

1 Lessons

Mobile-first breakpoints, @media queries, and modern @container queries.

Module 09

Module 9: CSS Custom Properties & Dynamic Theming

1 Lessons

CSS variables, cascade scoping, dark/light theme switching, and JavaScript manipulation.

Module 10

Module 10: Transitions, Keyframe Animations & View Transitions

1 Lessons

Hardware-accelerated transforms, transitions, cubic-bezier, keyframes, and View Transitions API.

Module 11

Module 11: CSS Architecture, BEM & Modern Layout Patterns

1 Lessons

BEM naming conventions, utility-first CSS, CSS Modules, and layout scalability.