**La Maîtrise de CSS : De zéro à expert en 100 leçons** *(Alternative, slightly punchier version using a common French idiomatic structure for full coverage: CSS : Maîtrisez l'essentiel en 100 leçons, but the first option is closer to the original progression.)*
**La Maîtrise de CSS : De zéro à expert en 100 leçons** *(Alternative, slightly punchier version using a common French idiomatic structure for full coverage: CSS : Maîtrisez l'essentiel en 100 leçons, but the first option is closer to the original progression.)*
Welcome to the most comprehensive CSS course designed specifically for beginners. This '0 to Hero' journey spans 100 detailed lessons, taking you from understanding basic selectors to mastering modern layout techniques like Flexbox and Grid, and building responsive, professional web interfaces. You will learn the fundamentals of the Cascade, specificity, the Box Model, advanced typography, custom properties, sophisticated transitions, and performance optimization. By the end of this course, you will not just write CSS, you will architect powerful, maintainable stylesheets capable of handling any design challenge.
Leçons
- Lesson 1: What is CSS and Why Do We Need It?
- Lesson 2: The Anatomy of a CSS Ruleset (Selector, Property, Value)
- Lesson 3: Linking CSS: Inline Styles (Avoid Me!)
- Lesson 4: Linking CSS: Internal Stylesheets
- Lesson 5: Linking CSS: External Stylesheets (Best Practice)
- Lesson 6: Core Selectors: The Universal Selector (*)
- Lesson 7: Core Selectors: Type Selectors (Element Selectors)
- Lesson 8: Core Selectors: Class Selectors (.)
- Lesson 9: Core Selectors: ID Selectors (#)
- Lesson 10: Combining Selectors: Grouping and Chaining
- Lesson 11: Understanding The Box Model (Conceptual Overview)
- Lesson 12: Box Model Deep Dive: Padding
- Lesson 13: Box Model Deep Dive: Borders
- Lesson 14: Box Model Deep Dive: Margin
- Lesson 15: The Importance of Box-Sizing: border-box
- Lesson 16: Setting Width and Height (Fixed vs. Fluid)
- Lesson 17: Introduction to Color Properties (Foreground and Background)
- Lesson 18: Advanced Color: HSL and Transparency (Opacity)
- Lesson 19: Background Images and Tiling
- Lesson 20: Controlling Background Size and Attachment
- Lesson 21: The Background Shorthand Property
- Lesson 22: Understanding CSS Units: Pixels (px) and Percentage (%)
- Lesson 23: Relative Units: Em, Rem, and Viewport Units (vw, vh)
- Lesson 24: Other Units: Time (s, ms), Angles (deg), and Flex (fr)
- Lesson 25: CSS Variables (Custom Properties) - Introduction
- Lesson 26: Typography: Font Families and Fallbacks
- Lesson 27: Web Fonts (@font-face) and Google Fonts
- Lesson 28: Font Size and Scaling (font-size)
- Lesson 29: Font Weight and Style (font-weight, font-style)
- Lesson 30: Line Height and Vertical Spacing (line-height)
- Lesson 31: Text Alignment and Justification (text-align)
- Lesson 32: Text Decoration and Transformation
- Lesson 33: Letter Spacing and Word Spacing
- Lesson 34: Font Shorthand and Common Typography Pitfalls
- Lesson 35: Handling Overflowing Text (white-space, overflow)
- Lesson 36: The Display Property: block, inline, inline-block
- Lesson 37: The Cascade: Understanding Order and Origin
- Lesson 38: Specificity Calculation: ID, Class, Type
- Lesson 39: Inheritance and The Inherited Properties
- Lesson 40: The Dreaded !important Rule (And Why to Avoid It)
- Lesson 41: Pseudo-Classes: Interactivity (:hover, :active, :focus)
- Lesson 42: Pseudo-Classes: Structural Child Selectors (nth-child)
- Lesson 43: Pseudo-Elements: Styling Generated Content (::before, ::after)
- Lesson 44: Positioning Scheme: Static (The Default)
- Lesson 45: Positioning Scheme: Relative (The Offset)
- Lesson 46: Positioning Scheme: Absolute (Out of Flow)
- Lesson 47: Positioning Scheme: Fixed (Viewport Locked)
- Lesson 48: Positioning Scheme: Sticky (The Best of Both Worlds)
- Lesson 49: Stacking Context and Z-Index
- Lesson 50: Floating Elements (Historical Layout Tool)
- Lesson 51: Introduction to Flexbox (Flexible Box Layout)
- Lesson 52: Flex Container Property: flex-direction
- Lesson 53: Flex Container Property: justify-content (Main Axis)
- Lesson 54: Flex Container Property: align-items (Cross Axis)
- Lesson 55: Flex Container Property: flex-wrap
- Lesson 56: Flex Container Shorthand: flex-flow
- Lesson 57: Flex Container Property: align-content (Multi-line Alignment)
- Lesson 58: Flex Item Property: order
- Lesson 59: Flex Item Property: flex-grow
- Lesson 60: Flex Item Property: flex-shrink
- Lesson 61: Flex Item Property: flex-basis
- Lesson 62: Flex Item Shorthand: flex
- Lesson 63: Flex Item Property: align-self (Individual Cross-Axis Alignment)
- Lesson 64: Flexbox Practical: Creating a Sticky Footer and Navbar
- Lesson 65: Flexbox Gap Property and Alignment Pitfalls
- Lesson 66: Introduction to CSS Grid Layout (2D System)
- Lesson 67: Defining Columns and Rows (grid-template-columns/rows)
- Lesson 68: The repeat() Function (Efficiency)
- Lesson 69: Placing Items by Line Numbers
- Lesson 70: Placing Items by Grid Area Names
- Lesson 71: Grid Gaps (Spacing Between Tracks)
- Lesson 72: Grid Alignment: Justify vs. Align (Content and Items)
- Lesson 73: Sizing with minmax() and auto
- Lesson 74: Implicit Grid and auto-flow
- Lesson 75: Grid Shorthands (grid, grid-area)
- Lesson 76: Grid vs. Flexbox: Knowing When to Use Each
- Lesson 77: Using Grid for Overlapping Elements (Z-Index in Grid)
- Lesson 78: Grid Practical: Building a 12-Column System
- Lesson 79: Grid Practical: Creating a Complex Dashboard Layout
- Lesson 80: Accessibility Considerations in Flexbox and Grid
- Lesson 81: Introduction to Responsive Web Design (RWD)
- Lesson 82: Understanding Media Queries (Syntax and Structure)
- Lesson 83: Mobile-First Approach (min-width)
- Lesson 84: Desktop-First Approach (max-width)
- Lesson 85: Media Query Logic: AND, OR (Commas), and NOT
- Lesson 86: Fluid Images and max-width: 100%
- Lesson 87: Responsive Grid with auto-fit and minmax()
- Lesson 88: Hiding and Showing Elements Responsively
- Lesson 89: Horizontal vs. Vertical Viewport Orientation
- Lesson 90: Accessibility Media Queries (Dark Mode, Reduced Motion)
- Lesson 91: Introduction to CSS Transitions
- Lesson 92: Transition Timing Function and Delay
- Lesson 93: CSS Transforms (2D): translate, scale, rotate
- Lesson 94: CSS Transforms (3D): perspective, translateZ, rotateX/Y
- Lesson 95: Introduction to CSS Keyframe Animations
- Lesson 96: Animation Longhands: duration, iteration, direction
- Lesson 97: Controlling Animation States (fill-mode, play-state)
- Lesson 98: CSS Performance: Reflow, Repaint, and Compositing
- Lesson 99: Modern CSS: Filter, Backdrop Filter, and Shapes
- Lesson 100: Course Review and Next Steps (Sass/Preprocessors)