This CSS Cheatsheet is your go-to reference for everything related to styling web pages. It includes all essential CSS properties, selectors, flexbox, grid, animations, transitions, pseudo-classes, and responsive design tips - neatly organized for quick access.

Perfect for beginners learning CSS or developers who want a handy reference while coding.

1. Introduction to CSS

• What is CSS?
• Syntax and Structure
• Types of CSS: Inline, Internal, and External

2. CSS Selectors Overview

• Selectors
• Element Selectors
• Class Selectors
• ID Selectors
• Universal Selector (*)
• Attribute Selectors
• Pseudo-class Selectors (:hover, :active, etc.)
• Pseudo-element Selectors (::before, ::after, etc.)
• Grouping Selectors

3. Colors

• Named Colors
• Hexadecimal Colors
• RGB and RGBA
• HSL and HSLA
• CSS Color Functions (e.g., rgb(), rgba(), hsl(), hsla())

4. Font Family

• Font Size
• Font Weight and Style
• Text Alignment and Decoration
• Text Transform (uppercase, lowercase)
• Line Height
• Letter Spacing
• Word Spacing
• Text Shadow
• Vertical Alignment

5. Box Model

• Understanding the Box Model
• Margin, Padding, and Border
• Box Sizing (content-box, border-box)
• Display Property (block, inline, inline-block)
• Overflow Property (visible, hidden, auto)

6. Positioning

• Static Positioning
• Relative Positioning
• Absolute Positioning
• Fixed Positioning
• Sticky Positioning
• Z-Index

7. Flexbox

• Introduction to Flexbox
• Flex Container
• Flex Items
• Justify Content
• Align Items
• Align Self
• Flex Direction
• Flex Wrap
• Flex Grow, Shrink, and Basis
• Ordering Items

8. Grid Layout

• Introduction to CSS Grid
• Grid Container and Items
• Grid Template Columns and Rows
• Grid Gaps
• Grid Areas
• Justify Items, Align Items, and Place Items
• Grid Template Areas
• Auto-placement in Grid

9. Responsive Design

• Media Queries
• Viewport Units (vw, vh, vmin, vmax)
• Flexbox in Responsive Design
• CSS Grid in Responsive Design
• Mobile-first Design

10. Transitions and Animations

• CSS Transitions
• Transition Properties (transition-duration, transition-timing-function)
• CSS Animations (keyframes, animation-name, animation-duration)
• Animation Timing Functions (ease, linear, etc.)

11. Backgrounds and Borders

• Background Images and Gradients
• Background Position and Size
• Border Styles and Radius
• Box Shadows

12. Lists and Tables

• Styling Lists (unordered, ordered)
• Table Styling (border, padding, etc.)
• Table Layout and Borders
• Styling Table Cells and Headers

13. Typography

• Web Fonts (e.g., Google Fonts)
• Font-Weight and Font-Family Usage
• Text Decoration (underline, strikethrough)
• Font Sizing (rem, em, px, etc.)
• Line Height and Letter Spacing Adjustments

14. CSS Variables

• Introduction to CSS Variables (Custom Properties)
• Declaring and Using Variables
• Scoped Variables
• Benefits of Using Variables

15. Advanced CSS

• CSS Shapes
• Clip-path Property
• CSS Filters
• Object Fit and Object Position
• CSS Transforms (rotate, scale, translate, etc.)

16. CSS Best Practices

• Naming Conventions (BEM, OOCSS)
• Using CSS Preprocessors (Sass, LESS)
• Modular and Scalable CSS Architecture
• Performance Considerations

17. CSS Frameworks and Libraries

• Overview of Popular CSS Frameworks (Bootstrap, Tailwind CSS, etc.)
• When and How to Use Frameworks

18. CSS in Practice

• Building Layouts (Header, Footer, Sidebar)
• Navigation Menus
• Forms and Input Elements Styling
• Buttons and Icons

19. Tools and Resources

• CSS Validators and Tools
• CSS Code Generators
• Useful CSS Libraries and Plugins

20. Appendix

• Quick Reference for Common CSS Properties
• Browser Compatibility Information
• Resources for Further Learning (Books, Courses, Websites)