INTRODUCING BOOTSTRAP 4 : create powerful web applications using bootstrap 4.5.

Table of Contents
About the Author
About the Technical Reviewer
Chapter 1: Introduction to Bootstrap
	Where to Obtain Bootstrap
		Content Delivery Network
		Repository for Local Installation
		Installation Using Npm
	Structure of the CSS Files
	Page-building
	Browser Support
	ARIA
		HTML5: The Role-Attribute
	Optimization
	What’s New in Bootstrap 4?
		Global Changes
		Grid System
		Tables
		Forms
		Buttons
		Pull-Down Menus
		Panels
		Other Updates
	Summary
Chapter 2: It Begins with CSS
	Basics
	Syntax
	Selector
		Elements (Tags)
		IDs
		Classes
		Attributes
		Logical Selection
		More Selectors
			Hierarchy Selectors
			Pseudo Selectors
	Units
		Absolute Units
		Relative Units
	The Box Model
		Blocks of the Box
		Box Model Extensions
	The Flexbox Model
		Terminology
			Container
			Items
	The Grid Model
		Terminology
		Grid Container Properties
			Handling Items in the Grid
			Implicit Tracks
			Automatic Parts
		Grid Item Properties
	Compliance with Media
		Syntax
		Parameters
	The Viewport
		Setting Viewport
		Viewport Settings
	Summary
Chapter 3: Structure of the Page
	Basis for the Grid
		The Overall Structure of a Page
		Settings of the Viewing Area
	The Grid System
		Container
		The Grid in Detail
			Device-Specific Definitions
			Utilizing the Width
			Offsets: Moving the Start Column
			Interlace Columns
			Order Columns
	Fallbacks and Utilities
		Equal Distribution
		Row Columns
	Alignments
	Auxiliary Classes
		The Flex Classes
		Within the Flexbox
	Summary
Chapter 4: Typography
	Headings
		Display Headings
	Text and Text Elements
		Basic Font
		Text Elements
			Elements for Text Blocks
		Alignment and Wrapping
		Text Transformations
	Lists
	Tables
		Styles for Tables
			New in Bootstrap 4
			Responsive Tables
			True Responsive Tables
	Auxiliary Classes
		Spacing Classes
			Negative Margins
		Sizing Classes
		Shadows
		Stretched Link
		Simple Classes
	Summary
Chapter 5: Forms
	Structure of a Form
		Simple Form Elements
		Single-Line Forms
		Form Elements with Blocks
		Sizes
		Dealing with Checkboxes and Radio Buttons
		Additional Buttons
		Horizontal Forms
		Input Elements
	Input Element Syntax
		Select Elements
		Static Texts in Forms
		Behavior of the Form Elements
		Validation Information in Forms
		Form Elements in the Grid
		Adaptation of the Field Height
		Help Text in Forms
	Buttons
		Semantic Buttons
	Size and Appearance
		States
	Summary
Chapter 6: Images, Effects, and Icons
	Icons
		Alternatives
		Use of Symbols
		Use of Buttons
		Messages
		Common Symbols
	Responsive Images
	Embedded Sources
	Colors and Backgrounds
		Text Color
		Background Color
	Alignment of Elements in Flow
		Aligning Text
		Wrapping and Overflow
		Transformation and Font Weight
		Break: Clearfix
	Show and Hide Content
		Printer Support
	Summary
Chapter 7: Components
	Requirements
	Drop-Down Menus
		Alignment of the Menu
		Decorative Elements
			Subheads in Menus
			Divider Line
			Deactivated Links
	Toolbars
		Vertical Alignment
		General Options
	Menu Button
		Simple Button with Menu
		Split-Button Menu
		Sizes of Menu Buttons
		Special Menu Options
	Navigation
		Tabs
	Navigation Buttons (Pills)
		Universal Settings
			Orientation
			Deactivation
		Expansion Through Pop-Up Menus
	Navigation Bar
		Form Elements
		Buttons, Hyperlinks, and Text
			Position of the Bar
	Breadcrumb Navigation
	Page Scrolling
		Size
	Identification Labels (Badges)
	Big Screen (Jumbotron)
	Page Headers
	Messages
	Progress Bar
	Media
		Orientation
		Media Lists
	Common Lists
		Badges in Lists
		Links in Lists
		Buttons in Lists
	Cards
		Headings
		Footers
		Cards with Tables
		Cards with Lists
		Card with Pictures
		Cards in the Grid
			Deck of Cards
			Card Groups
			Cards in Columns
	Summary
Chapter 8: Active Components
	Setup and Activation
		The Programming Interface
		Conflict Prevention
		Events
		Transitions
	Modal Dialogs
		Features
		Dialog Sizes
		Dialog with Grid
		General Information About Behavior
		Options
			Using the Options
	Pull-Down Menu (Drop-Down)
		Common Information About Behavior
		Options
			Using the Options
	Scroll Bar Supervisor (ScrollSpy)
		Features
		Options
	Reversible Tabs (Tab)
		Features
		Options
	Tooltip
		Features
		Multiline Links
		General Tips
		Options
	Content Overlay (Popover)
		Features
		Options
	Message (Alert)
		Features
		Options
	Action Buttons (Button)
		Features
		Options
	Content Insertion (Collapse)
		Features
			Content Groups: The Accordion
		Options
	Image Roundabout (Carousel)
		Features
		Options
	Summary
Appendix: A Gentle Introduction to Sass
	How It Works
	First Steps
		Using Sass in Applications
			The Sass Toolset
			Using NodeJs
			Using WebPack
	Interactive Sass
		Variables
			Dealing with Defaults
		Nesting Styles
		Operators
		Interpolation
		Functions
	Modularization
		Partials
		Mixins
			Conditions
			Loops
	Summary
Index