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Bootstrap Cheatsheet – A Basic Guide to Bootstrap

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What is Bootstrap?

Bootstrap is a free, open-source, potent CSS framework and toolkit used to create modern and responsive websites and web applications. It is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites. Nowadays, websites are perfect for all browsers and all sizes of screens.

Bootstrap Cheat Sheet

What is Bootstrap Cheat Sheet?

Bootstrap CheatSheet is a collection of all the classes, variables, and mixins you are ever going to need to create an interactive website or application.

Table of Content

 Forms

Bootstrap is used to provide styles, layout options, and custom components for creating and styling a variety of forms.

Element Description

Syntax

Form control

Default class for styling elements. 

.form-control

Select

Shows a collapsible list of values that can be selected. 

.form-select

Checks and radio

Used for radio-buttons and checkboxes

.form-check

Range

Defines the range

.form-control-range

Layout

Two major layout options. Fluid and fixed layout

 

Validation

Used to apply validation.

:valid|invalid

Datalist

Style the data list using form-control classes.

 

Input group

Added as a wrapper around each input type or form control.

.input-group

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Bootstrap Form</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <h1 class="text-success text-center">
        GeeksforGeeks
    </h1>
    <h2 class="text-center">Stacked form</h2>
    <div class="container">
        <form action="#">
            <div class="form-group">
                <label for="fname">First Name:</label>
                <input type="text" class="form-control" id="fname"
                placeholder="Enter First Name" name="fname">
            </div>
            <div class="form-group">
                <label for="lname">Last Name:</label>
                <input type="text" class="form-control" id="lname"
                placeholder="Enter Last Name" name="lname">
            </div>
            <div class="form-group">
                <label for="email">Email Id:</label>
                <input type="email" class="form-control" id="email"
                placeholder="Enter Email Id" name="email">
            </div>
            <div class="form-group">
                <label for="contact">Contact No:</label>
                <input type="text" class="form-control" id="contact"
                placeholder="Enter Contact Number" name="contact">
            </div>
            <div class="form-group form-check">
                <label class="form-check-label">
                    <input class="form-check-input" type="checkbox" name="remember">
                    Remember me
                </label>
            </div>
            <button type="submit" class="btn bg-success">
                Submit
            </button>
        </form>
    </div>
</body>
  
</html>

                    

 Input groups

Input Groups in Bootstrap are used to extend the default form controls by adding text or buttons on either side of textual inputs, custom file selectors, or custom inputs. The following classes are used to add the groups to either side of the input boxes. 

Class Description Syntax
Prepend

Adds group to the front of the input.

.input-group-prepend

Append

Add group behind the input.

.input-group-append

Text

Styles the text that is displayed inside the group.

.input-group-text

Small

Makes input groups smaller.

.input-group-sm

Large

Makes input groups larger.

.input-group-lg

Group

Makes size of the input group default.

.input-group

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <!-- Include Bootstrap CSS -->
    <link rel="stylesheet" href=
    <title>Input Groups in Bootstrap</title>
</head>
  
<body>
    <div class="container">
        <h5>Sizing</h5>
  
        <div class="input-group input-group-sm mb-3">
  
            <!-- Prepend the following content to the input box -->
            <div class="input-group-prepend">
  
                <span class="input-group-text" id="small">Small</span>
            </div>
  
            <input type="text" class="form-control">
        </div>
  
        <div class="input-group mb-3">
  
            <!-- Prepend the following content to the input box -->
            <div class="input-group-prepend">
  
                <span class="input-group-text" id="medium">Default</span>
            </div>
  
  
            <input type="text" class="form-control">
        </div>
  
        <div class="input-group input-group-lg">
  
            <!-- Prepend the following content to the input box -->
            <div class="input-group-prepend">
  
                <span class="input-group-text" id="large">Large</span>
            </div>
  
            <input type="text" class="form-control">
        </div>
        <br>
        <h5>Prepend Group Example</h5>
        <div class="input-group">
            <div class="input-group-prepend">
                <span class="input-group-text" id="username">@</span>
            </div>
  
            <input type="text" class="form-control" placeholder="Username">
        </div>
        <br>
        <h5>Append Group Example</h5>
        <div class="input-group">
  
            <input type="text" class="form-control" placeholder="Email">
  
            <!-- Prepend the following content to the input box -->
            <div class="input-group-append">
                <span class="input-group-text" id="email">@example.com</span>
            </div>
        </div>
  
    </div>
</body>
  
</html>

                    

Navbars

A navigation bar is used in every website to make the website more user-friendly. Bootstrap provides various types of navbars.

Navbars Description

Syntax

Basic

Creates default navbar

.navbar 

Inverted

Inverts the color of default navbar

.navbar-inverse

Colored

Changes background color

.bg-*

Right-aligned

Right aligns the navbar

.navbar-right

Fixed

Fixes the navigation bar at the top of the webpage. 

.navbar-fixed-top

Dropdown

Makes a drop-down interface.

.dropdown

Collapsible

Makes a collapsible navbar

.navbar-collapse

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Navbar Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
<script src=
    </script>
</head>
  
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container-fluid">
            <div class="navbar-header">
                <a class="navbar-brand" href="#">WebsiteName</a>
            </div>
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">Home</a></li>
                <li class="dropdown">
                    <a class="dropdown-toggle" data-toggle="dropdown" href="#">
                        Page 1<span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Page 1.1</a></li>
                        <li><a href="#">Page 1.2</a></li>
                        <li><a href="#">Page 1.3</a></li>
                    </ul>
                </li>
                <li><a href="#">Page 2</a></li>
                <li><a href="#">Page 3</a></li>
            </ul>
        </div>
    </nav>
</body>
  
</html>

                    

 Alerts

Alerts provide contextual feedback messages for typical user actions with a handful of available and flexible alert messages. Alerts are available for any length of text, as well as an optional close button. There are eight types of alerts available in Bootstrap 5. Each of the classes has different colors associated with them.

Class Description Syntax
Primary

Alert is blue in color..

.alert-primary

Secondary

Shows alert in the secondary background color.

.alert-secondary

Success

Shows the alert green color.

.alert-success

Danger

Alert is red in color.

.alert-danger

Warning

Shows the alert in the color yellow

.alert-warning

Info

Shows the alert in the color light blue.

.alert-info

Light

Alert is in light gray background color.

.alert-light

Dark

Shows the alert in dark gray background color.

.alert-dark

Dismissible

Shows alert with a close button.

.alert-dismissible

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        Bootstrap 5 | Alerts
    </title>
    <!-- Load Bootstrap -->
    <link rel="stylesheet" href=
</head>
  
<body>
    <div style="text-align: center;
width:600px;">
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
    </div>
    <div id="canvas" style="width: 600px;
            height: 200px; margin: 20px;">
        <div class="alert alert-primary" role="alert">
            Primary Alert
            <div class="alert alert-secondary" role="alert">
                Secondary Alert
            </div>
            <div class="alert alert-success" role="alert">
                Success Alert
            </div>
            <div class="alert alert-danger" role="alert">
                Danger Alert
            </div>
            <div class="alert alert-warning" role="alert">
                Warning Alert
            </div>
            <div class="alert alert-info" role="alert">
                Info Alert
            </div>
            <div class="alert alert-light" role="alert">
                Light Alert
            </div>
            <div class="alert alert-dark" role="alert">
                Dark Alert
            </div>
        </div>
</body>
  
</html>

                    

Badges

Badges are numerical indicators to highlight the number of items associated with a link or new or unread item. The class. badge within the <span> element is used to create badges. We can have some variations in badges using the following classes:

Class Description

Syntax

Contextual variations

Used to change the appearance  of a badge.

.badge .bg-*

Pill Badges

Used to make badges more rounded 

.rounded-pill

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <!-- Load Bootstrap -->
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <div style="text-align: center;width: 600px;">
        <h5 style="color: green;">
            GeeksforGeeks
        </h5>
    </div>
    <div id="canvas" style="width: 600px;
height: 200px;margin:20px;">
        <h5>
            Primary
            <span class="badge bg-primary">
                GeeksforGeeks
            </span>
        </h5>
        <h5>
            Secondary
            <span class="badge bg-secondary">
                GeeksforGeeks
            </span>
        </h5>
        <h5>
            Success
            <span class="badge bg-success">
                GeeksforGeeks
            </span>
        </h5>
        <h5>
            Danger
            <span class="badge bg-danger">
                GeeksforGeeks
            </span>
        </h5>
        <h5>
            Light
            <span class="badge bg-light text-dark">
                GeeksforGeeks
            </span>
        </h5>
        <h5>
            Dark
            <span class="badge bg-dark">
                GeeksforGeeks
            </span>
        </h5>
        <h5>Pill Badge
            <span class="badge badge-warning badge-pill">
                2
            </span>
        </h5>
  
        <h5>Badge inside an element
            <button type="button" class="btn btn-primary">
                Notifications
                <span class="badge bg-secondary">
                    10
                </span>
            </button
        ></h5>
    </div>
</body>
  
</html>

                    

Breadcrumbs

It is used to indicate the current page location with a navigational hierarchy to provide links back to each previous page the user navigated through as well. It adds separators automatically using CSS. It provides a backlink to each previous page the user navigates through. 

Syntax:

<ol class="breadcrumb">
<li class="breadcrumb-item"> Content .. </li>
</ol>

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        Breadcrumbs Example
    </title>
    <link rel="stylesheet"
            href=
            integrity=
"sha384-r4NyP46KrjDleawBgD5tp8Y7UzmLA05oM1iAEQ17CSuDqnUK2+k9luXQOfXJCJ4I"
            crossorigin="anonymous">
</head>
<body>
    <div style="text-align: center;width: 600px;">
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
    </div>
    <div style="width: 600px;height: 200px;
margin:20px;">
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb">
                <li class="breadcrumb-item active">
                    GeeksforGeeks
                </li>
            </ol>
        </nav>
    </div>
</body>
  
</html>

                    

 Button

Bootstrap provides us with different classes that can be used with different tags, such as <button>, <a>, <input>, and <label> to apply custom button styles. Bootstrap also provides classes that can be used for changing the state and size of buttons, and also, provides classes for applying toggle,checkbox, and radio buttons-like effects.

Button type Description

Syntax

Solid

Used to create solid button styles. 

.btn-*

Outlined

Creates outlined buttons. 

.btn-outline-*

Changing Size

Changes the size of button.

.btn-lg|sm|block

Toggle

Toggles the state of the button

<button data-toggle=”button”>

Radio

Creates radio styled buttons

<input type=”checkbox”>

Checkbox

Creates checkbox styled buttons

<input type= “radio”>

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <!-- Bootstrap CSS -->
    <link rel="stylesheet"
            href=
            integrity=
"sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS"
            rossorigin="anonymous">
    <title>Button Example</title>
    <!-- Custom CSS -->
    <style>
        h1 {
            color: green;
            text-align: center;
        }
  
        div.one {
            margin-top: 40px;
            text-align: center;
        }
  
        a,
        button {
            margin-top: 10px;
        }
    </style>
</head>
  
<body>
    <div class="container">
        <h1>GeeksForGeeks</h1>
        <!-- Bootstrap Button Classes -->
        <div class="one">
            <button type="button" class="btn btn-primary">
                Primary</button>
            <button type="button" class="btn btn-secondary">
                Secondary</button>
            <button type="button" class="btn btn-success">
                Success</button>
            <button type="button" class="btn btn-danger">
                Danger</button>
            <button type="button" class="btn btn-warning">
                Warning</button>
            <button type="button" class="btn btn-info">
                Info</button>
            <button type="button" class="btn btn-light">
                Light</button>
            <button type="button" class="btn btn-dark">
                Dark</button>
            <button type="button" class="btn btn-link">
                Link</button>
        </div>
        <div class="one">
            <button type="button" class="btn btn-outline-primary">
                outline</button>
            <button type="button" class="btn btn-secondary btn-lg">
                Large</button>
            <button type="button" class="btn btn-success btn-sm">
                Small</button>
            <a href="#" class="btn btn-danger active" role="button" aria-pressed="true">
                Active</a>
            <a href="#" class="btn btn-warning disabled" role="button" aria-disabled="true" tabindex="-1">
                Disabled</a>
            <button type="button" class="btn btn-info" data-toggle="button"
            aria-pressed="false" autocomplete="off">
                Toggle
            </button>
            <div class="btn-group-toggle" data-toggle="buttons">
                <label class="btn btn-light active">
                    <input type="checkbox" checked autocomplete="off">
                    Checked</label>
                <label class="btn btn-dark">
                    <input type="radio" name="options" id="option1" autocomplete="off">
                    Radio</label>
            </div>
  
        </div>
    </div>
  
</body>
  
</html>

                    

Button groups

Bootstrap allows us to group a series of buttons together in a single line vertically or horizontally(without spaces) using the button group class. These classes are as follows:

Class Description

Syntax

Style

 Add styles to buttons

.btn-primary|default|success|info|link

Size

Changes the sizing of buttons.

.btn-group-*

Nesting

Stacks the button in vertical manner

.btn-group-vertical

Vertical

Creates a dropdown menu within the buttons

.btn-group

Button toolbar

Combine button groups into button toolbars

.btn-toolbar

Code:

HTML

<!DOCTYPE html>
<html lang="en">
  
<head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <p>Styling Button Groups</p>
    <div class="btn-group">
        <button type="button" class="btn btn-danger">Click</button>
        <button type="button" class="btn btn-warning">Click</button>
        <button type="button" class="btn btn-success">Click</button>
    </div>
    <br />
    <p>Sizing Button Groups</p>
    <div>
        <div class="btn-group btn-group-lg">
            <button type="button" class="btn btn-danger">Click</button>
            <button type="button" class="btn btn-warning">Click</button>
            <button type="button" class="btn btn-success">Click</button>
        </div>
        <div class="btn-group">
            <button type="button" class="btn btn-danger">Click</button>
            <button type="button" class="btn btn-warning">Click</button>
            <button type="button" class="btn btn-success">Click</button>
        </div>
        <div class="btn-group btn-group-sm">
            <button type="button" class="btn btn-danger">Click</button>
            <button type="button" class="btn btn-warning">Click</button>
            <button type="button" class="btn btn-success">Click</button>
        </div>
        <div class="btn-group btn-group-xs">
            <button type="button" class="btn btn-danger">Click</button>
            <button type="button" class="btn btn-warning">Click</button>
            <button type="button" class="btn btn-success">Click</button>
        </div>
    </div>
    <br>
    <p>Vertical Button groups</p>
    <div class="btn-group-vertical">
        <button type="button" class="btn btn-danger">Click</button>
        <button type="button" class="btn btn-warning">Click</button>
        <button type="button" class="btn btn-success">Click</button>
    </div>
    <p>Nesting of button groups</p>
  
    <div class="btn-group">
        <button type="button" class="btn btn-danger">Click</button>
        <button type="button" class="btn btn-warning">Click</button>
        <div class="btn-group">
            <button type="button" class="btn btn-success
            dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
            Dropdown</button>
            <ul class="dropdown-menu" aria-labelledby="btnGroupDrop1">
                <li><a class="dropdown-item" href="#">Item 1</a></li>
                <li><a class="dropdown-item" href="#">Item 2</a></li>
            </ul>
  
        </div>
    </div>
</body>
  
</html>

                    

Cards

A card is a flexible and extensible content container. It includes options for headers and footers, a wide variety of content, contextual background colors, and powerful display options. 

Type Description

Syntax

Basic

The building block of a card is the card-body and card. 

.card .card-body

Headers and footers

Provides header and footer to the card.

.card-header|footer

Title and Links

Gives a title and link to the card. 

.card-title|link

Images

Used to add images to the card. 

.card-img

Overlays

Adds overlay to the card image

.card-img-overlay

Card Group

Used to add groups to the card

.card-deck

List group

Creates a list of content in card.

.card

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Bootstrap Card</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <div class="container">
        <h4>Basic Card</h4>
        <h2 style="color:green;">GeeksforGeeks</h2>
        <div class="card">
            <div class="card-body">
                A computer science portal for geeks
            </div>
        </div>
        <br />
        <h4>Header and Footer card</h4>
        <div class="card">
            <div class="card-header">Header</div>
            <div class="card-body">Content</div>
            <div class="card-footer">Footer</div>
        </div>
        <br />
        <h4>Title and links card</h4>
        <div class="card">
            <div class="card-body">
                <h4 class="card-title">Card title</h4>
                <p class="card-text">
                    Some example text. Some example text.
                </p>
                <a href="#" class="card-link">Card link</a>
                <a href="#" class="card-link">Another link</a>
            </div>
        </div>
        <br />
        <h4>Card with images</h4>
        <div class="card" style="width:200px">
            <img class="card-img-top"
                src=
                alt="Card image" style="width:100%">
            <div class="card-body">
                <h4 class="card-title">Developer Guy</h4>
                <p class="card-text">
                    Developer Guy love to develop
                    front-end and back-end
                </p>
            </div>
        </div>
        <br />
        <h4>Card group</h4>
        <div class="card-deck">
            <div class="card-text-white bg-primary">
                <div class="card-body">
                    <h4 class="card-title">PRIMARY</h4>
                </div>
            </div>
            <div class="card-text-white bg-success">
                <div class="card-body">
                    <h4 class="card-title">SUCCESS</h4>
                </div>
            </div>
            <div class="card-text-white bg-danger">
                <div class="card-body">
                    <h4 class="card-title">DANGER</h4>
                </div>
            </div>
        </div>
        <br />
        <h4>List Groups</h4>
        <div class="card">
            <ul class="list-group list-group-flush">
                <li class="list-group-item">Bootstrap</li>
                <li class="list-group-item">HTML</li>
                <li class="list-group-item">JavaScript</li>
            </ul>
        </div>
    </div>
</body>
  
</html>

                    

Carousel

Carousal is used in bootstrap to create slideshows of images on a website. It is used to cycle through a series of images and text. Significant parts of a carousal are:

Type Description

Syntax

Slide

The content and image of each slide is defined here

.carousel .slide

Fade

Used to add a fading effect to the transition.

.carousel-fade

Indicators

The indicators are the little dots at the bottom of each slide.

.carousel-indicators

Captions

Adds text associated with image to the carousal.

.carousel-captions

Controls

Alows us to go back and forth.

.carousel-control-next|previous-icon

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Bootstrap Carousel</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
</head>
<body>
    <center>
        <h1 class="text-success">GeeksforGeeks</h1>
        <h4>Bootstrap | Carousel</h4>
        <div id="myCarousel" class="carousel slide" data-ride="carousel">
            <!-- Indicators -->
            <ol class="carousel-indicators">
                <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
                <li data-target="#myCarousel" data-slide-to="1"></li>
            </ol>
            <!-- Wrapper for slides -->
            <div class="carousel-inner">
                <div class="item active">
                    <img src=
                </div>
                <div class="item">
                    <img src=
                </div>
            </div>
            <!-- Left and right controls -->
            <a class="left carousel-control" href="#myCarousel" data-slide="prev">
                <span class="glyphicon glyphicon-chevron-left"></span>
                <span class="sr-only">Previous</span>
            </a>
            <a class="right carousel-control" href="#myCarousel" data-slide="next">
                <span class="glyphicon glyphicon-chevron-right"></span>
                <span class="sr-only">Next</span>
            </a>
        </div>
    </center>
</body>
  
</html>

                    

 Grids

Bootstrap’s grid system allows up to 12 columns across the page. The grid system helps align page elements based on sequenced columns and rows. We use this column-based structure to place text, images, and functions in a consistent way throughout the design.

Components

Description

Syntax

Container

It is a container of row elements

.container

Row

Container for column elements

.row

Column

Used to specify the number of available columns.

.col

column reset

Used to resolve issues regarding viewport. 

.clearfix

column offset

Moves the columns to the right by x columns.

.col-md|lg|cs-offset-value

Extra Small 

Used for portrait mobile phones.

.col-xs

Small

Used for Landscapes phones

.col-sm

Medium

Used for Tablets/Phablets

.col-md

large

Used for Small-sized Desktops/Laptops

.col-lg

Extra large

Used for Larger-sized Desktops/Laptops

.col-xl

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <header>
        <div class="container">
            <h1 style="color: green">GeeksforGeeks</h1>
            <strong>
                A computer Science portal for Geeks
            </strong>
        </div>
    </header>
    <div class="container">
        <div class="row">
            <div class="bg bg-secondary w-100">
                First Row
            </div>
        </div>
        <div class="row">
            <div class="bg bg-primary w-100">
                Second row
            </div>
        </div>
    </div>
    <br />
    <div class="container">
        <div class="row">
            <div class="col-xs-2 col-sm-6 col-md-3
                                col-lg-4 col-xl-6">
                <div class="well bg bg-success">
                    First Column
                </div>
            </div>
            <div class="col-xs-2 col-sm-6 col-md-3
                                col-lg-4 col-xl-6">
                <div class="well bg bg-danger">
                    Second Column
                </div>
            </div>
            <div class="col-xs-2 col-sm-6 col-md-3
                                col-lg-4 col-xl-6">
                <div class="well bg bg-warning">
                    Third Column
                </div>
            </div>
            <div class="col-xs-2 col-sm-6 col-md-3
                                col-lg-4 col-xl-6">
                <div class="well bg bg-primary">
                    Fourth Column
                </div>
            </div>
        </div>
    </div>
    <footer>
        <hr />
        <div class="container">
            <p>
                <a href="https://www.geeksforgeeks.org/">
                    Visit
                </a>
                our website
            </p>
            <p>
                <a href="https://www.geeksforgeeks.org/">
                    Like
                </a>
                us on facebook
            </p>
        </div>
    </footer>
</body>
  
</html>

                    

Pagination

Pagination is used to enable navigation between pages on a website. The pagination used in Bootstrap has a large block of connected links that are hard to miss and easily scalable.

Type Description

Syntax

Basic

Specifies pagination on a list group.

.pagination

Disabled

Makes pagination appear unclickable.

.disabled

Active

Highlights the currently active page 

.active

Sizing

Changes the sizing of the pagination group

.pagination-sm|md|lg

Alignment

Sets the alignement of pagination group

.justify-content-center|end

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Pagination</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body>
    <div class="container">
        <h5>Basic Pagination</h5>
        <ul class="pagination">
            <!-- Declare the item in the group -->
            <li class="page-item">
                <!-- Declare the link of the item -->
                <a class="page-link" href="#">Previous</a>
            </li>
            <!-- Rest of the pagination items -->
            <li class="page-item">
                <a class="page-link" href="#">1</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">2</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">3</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">Next</a>
            </li>
        </ul>
        <br />
        <h5>Disabled and active</h5>
        <!-- Declare the pagination class -->
        <ul class="pagination">
            <!-- Specify the disabled class to style this item disabled -->
            <li class="page-item disabled">
                <!-- Specify tabindex to make the link non navigatable -->
                <a class="page-link" href="#" tabindex="-1">
                    Previous
                </a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">
                    1
                </a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">2</a>
            </li>
            <li class="page-item active">
                <a class="page-link" href="#">3</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">Next</a>
            </li>
        </ul>
        <h5>Pagination Sizing</h5>
        <b>Large Pagination</b>
        <!-- Specify pagination-lg for large pagination group -->
        <ul class="pagination pagination-lg">
            <li class="page-item">
                <a class="page-link" href="#">Previous</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">1</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">2</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">3</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">Next</a>
            </li>
        </ul>
        <b>Small Pagination</b>
        <!-- Specify pagination-sm for small pagination group -->
        <ul class="pagination pagination-sm">
            <li class="page-item">
                <a class="page-link" href="#">Previous</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">1</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">2</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">3</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">Next</a>
            </li>
        </ul>
        <b>Normal Pagination</b>
        <!-- Normal size pagination -->
        <ul class="pagination">
            <li class="page-item">
                <a class="page-link" href="#">Previous</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">1</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">2</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">3</a>
            </li>
            <li class="page-item">
                <a class="page-link" href="#">Next</a>
            </li>
        </ul>
    </div>
</body>
  
</html>

                    

 Dropdowns

Dropdowns are toggleable, contextual overlays for displaying lists of links and more. They’re made interactive with the included Bootstrap dropdown JavaScript plugin.

Class Description

Syntax

Divider

Creates a horizontal list to divide dropdown menu

.dropdown

Header

Adds header section inside the dropdown list. 

.dropdown-header

Disable and active items

Used to diable and enable list of items. 

.active|disabled

Dropdown position

Sets the position of dropdown list. 

.dropright|dropleft

Dropdown Menu Right Aligned

Right aligns the dropdown menu.

.dropdown-menu-right

Dropup

Expands the menu list upwards. 

.dropup 

Dropdown text

Adds plain text in the dropdown menu list. 

.dropdown-item-text

Grouped Buttons with a Dropdown

Creates a group of buttons in the dropdown list.

.btn-group

Split Button Dropdowns

Splits the dropdown buttons.

.dropdown-toggle-split 

Vertical Button Group Dropdown List

Creates a vertical button group. 

.btn-group-vertical

Code:

HTML

<!DOCTYPE html>
<html>
  
<head>
    <!-- Load Bootstrap -->
    <link rel="stylesheet"
            href=
            integrity=
"sha384-r4NyP46KrjDleawBgD5tp8Y7UzmLA05oM1iAEQ17CSuDqnUK2+k9luXQOfXJCJ4I"
            crossorigin="anonymous">
    <script src=
                integrity=
"sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo"
                crossorigin="anonymous">
        </script>
    <script src=
                integrity=
"sha384-oesi62hOLfzrys4LxRF63OJCXdXDipiYWBnvTl9Y9/TRlw5xlKIEHpNyvvDShgf/"
                crossorigin="anonymous">
        </script>
</head>
  
<body style="text-align: center;">
    <div class="container mt-3" style="width: 700px;">
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <!-- Dropdown position-->
        <div class="dropdown dropright">
            <button type="button" class="btn btn-success dropdown-toggle"
            data-toggle="dropdown">
                Select Subjects
            </button>
            <div class="dropdown-menu">
                <!-- header and divider -->
                <strong class="dropdown-header ">
                    CS Subjects
                </strong>
                <a class="dropdown-item" href="#">
                    Data Structure
                </a>
                <a class="dropdown-item" href="#">
                    Algorithm
                </a>
                <a class="dropdown-item" href="#">
                    Operating System
                </a>
                <!--Active and Disabled -->
                <a class="dropdown-item active" href="#">
                    Computer Networks
                </a>
                <div class="dropdown-divider "></div>
                <strong class="dropdown-header">
                    Other Subjects
                </strong>
                <a class="dropdown-item" href="#">
                    Physics
                </a>
                <a class="dropdown-item disabled" href="#">
                    Mathematics
                </a>
                <a class="dropdown-item" href="#">
                    Chemistry
                </a>
            </div>
        </div>
    </div>
</body>
  
</html>

                    

List group

List Groups are used to display a series of content. We can modify them to support any content as per our needs. The use of List-Groups is just to display a series or list of content in an organized way.

Class Description

Syntax

Disabled

Makes the list group disabled.

.disabled

Active

 Indicates the currently active item.

.active

Hyperlinks and Buttons

Creates actionable list items with multiple states.

.list-group-item-action

Flush

Flush class to remove some borders and rounded corners data 

.list-group-flush

Contextual

Style list items with suitable backgrounds and colors.

.list-group-item-primary|secondary|info|light

Badges

Adds badges to list group items.

.badge

Code:

HTML

<!DOCTYPE html>
<html>
  
<head>
    <title>List Groups example</title>
    <!-- Link Bootstrap Files -->
    <link rel="stylesheet"
            href=
            integrity=
"sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS"
            crossorigin="anonymous">
    <script src=
        integrity=
"sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
        crossorigin="anonymous">
        </script>
    <script src=
                integrity=
"sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k"
                crossorigin="anonymous">
        </script>
</head>
  
<body>
  
    <p>To do list</p>
  
    <ul class="list-group">
        <!-- active list group item -->
        <li class="list-group-item active">study</li>
        <!-- disabled list group item -->
        <li class="list-group-item disabled">pay bills</li>
        <li class="list-group-item">call mom</li>
        <!-- Contextual list group item -->
        <li class="list-group-item
list-group-item-info">
            Info list group item
        </li>
    </ul>
    <div>
        <!-- hyperlink list group item -->
        <a href="#" class="list-group-item list-group-item-action">drop an email</a>
    </div>
    <!-- badge list group item -->
    <button type="button" class="list-group-item list-group-item-action">
        UPDATES
        <span class="badge badge-pill badge-danger">2</span>
    </button>
</body>
  
</html>

                    

Popovers

Popovers are used to display additional information about any element and are displayed with a click of a mouse pointer over that element.

Syntax:
data-toggle="popover"
title="Popover Header"
data-content="Some content inside the box"

The data-toggle attribute defines the Popover, the title attribute defines the Tile for the Popover and the data-content attribute is used to store the content to be displayed in the respective Popover.

Class Description

Syntax

Right-alignment

Displays the popover at right of the element.

data-placement= “right”

Left-alignment

Displays the popover at left of the element.

data-placement= “left”

Bottom-alignment

Displays the popover at bottom of the element.

data-placement= “bottom”

Top-alignment

Displays the popover at top of the element.

data-placement= “top”

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Bootstrap Example</title>
    <!-- Link Bootstrap CSS -->
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
</head>
<body>
    <div class="container">
        <h3>Popover Example</h3>
        <a href="#" data-toggle="popover" title="Popover Header"
            data-content="Some content inside the popover">
        GeeksforGeeks</a>
    </div>
    <script>
        $(document).ready(function () {
        $('[data-toggle="popover"]').popover();
        });
    </script>
</body>
</html>

                    

Spinners

The spinners are used to specify the loading state of a component or webpage. Bootstrap facilitates the various classes for creating different styles of spinners by modifying their appearance, size, and placement.

Class Description

Syntax

Border

Used to rotate the spinner  

.spinner-border

Grow

Used for growing spinners.

.spinner-grow

Margin

Adds margins to the spinners. 

.m-

value
Placement

Places spinners at different positions 

.d-flex

Size

 Changes the size of the spinners.

.spinner-border-sm|md|lg|xl

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport"
                content="width=device-width">
    <link href=
        rel="stylesheet">
</head>
<body>
    <h2 class="text-success text-center">
        GeeksforGeeks
    </h2>
    <h5 class="text-info text-center">
    Bootstrap Spinner Border
    </h4>
    <div class="d-flex justify-content-center">
        <div class="spinner-border text-secondary"
            role="status">
        </div>
        <span>Please Wait </span>
    </div>
    <br/>
    <h5 class="text-info text-center">
        Bootstrap Spinner Grow
    </h5>
    <div class="d-flex justify-content-center">
        <span>
            <h5>Processing</h5>
        </span>
        <div class="spinner-grow text-primary"
            role="status">
        </div>
    </div>
    <br/>
    <h5 class="text-info text-center">
        Spinner Placement using Bootstrap classes
    </h5>
    <br/>
    <h5 class=" text-center">
        Using the Text Placement Classes
    </h5>
    <div class="text-center">
        <div class="spinner-border m-5 " role="status">
        </div>
    </div>
    <h5 class="text-center">
        Using the Flex Box Classes
    </h5>
    <div class="d-flex justify-content-center">
        <div class="spinner-border" role="status">
        </div>
    </div>
</body>
</html>

                    

scroll spy

Bootstrap Scrollspy targets the navigation bar contents automatically on scrolling the area. Scrollspy is used to update the navigation links when scrolling the page. The following attributes are added with the elements for the implementation of this feature. 

Attribute Description

Syntax

Data-spy

This element is added to the scrollable area.

data-spy=”scroll”

Data-target

Connects the navigation bar with the scrollable area.

data-target = “.id”

Data-offset

Specifies the number of pixels to offset from the top.

data-offset = “value”

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <style>
        body {
        position: relative;
        }
        ul.nav-pills {
        top: 20px;
        position: fixed;
        }
        div.col-sm-9 div {
        height: 250px;
        font-size: 18px;
        }
        a {
        color: green;
        }
        #section1 {
        color: white;
        background-color: green;
        }
        #section2 {
        color: green;
        background-color: white;
        }
        #section3 {
        color: white;
        background-color: green;
        }
        #section4 {
        color: green;
        background-color: white;
        }
        @media screen and (max-width: 810px) {
        #section1,
        #section2,
        #section3,
        #section4 {
        margin-left: 150px;
        }
        }
    </style>
</head>
<body data-spy="scroll" data-target="#myScrollspy" data-offset="20">
    <div class="container">
        <div class="row">
            <nav class="col-sm-3" id="myScrollspy">
            <ul class="nav nav-pills nav-stacked">
                <li class="active"><a href="#section1">
                    Section 1</a>
                </li>
                <li><a href="#section2">Section 2</a></li>
                <li><a href="#section3">Section 3</a></li>
                <li><a href="#section4">Section 4</a></li>
            </ul>
            </nav>
            <div class="col-sm-9">
            <div id="section1">
                <center>
                    <h1>Section 1</h1>
                    <h3>GeeksforGeeks</h3>
                    <h5>A computer science portal for geeks.</h5>
                    <h6> This portal has been created to
                        provide well written, well thought
                        and well explained solutions for
                        selected questions related to
                        programming, algorithms, other
                        computer science subjects.
                    </h6>
                    <p>Scroll this section and see the
                        navigation list while scrolling.
                    </p>
                </center>
            </div>
            <div id="section2">
                <center>
                    <h1>Section 2</h1>
                    <h3>GeeksforGeeks</h3>
                    <h5>A computer science portal for geeks.</h5>
                    <h6> This portal also provide GATE
                        previous year papers, short notes
                        for the aspirants.
                    </h6>
                    <p>Scroll this section and see the
                        navigation list while scrolling.
                    </p>
                </center>
            </div>
            <div id="section3">
                <center>
                    <h1>Section 3</h1>
                    <h3>GeeksforGeeks</h3>
                    <h5>A computer science portal for geeks.</h5>
                    <h6>This portal also provide interview
                        questions asked by private and
                        public sectors.
                    </h6>
                    <p>Scroll this section and see the
                        navigation list while scrolling.
                    </p>
                </center>
            </div>
            <div id="section4">
                <center>
                    <h1>Section 4</h1>
                    <h3>GeeksforGeeks</h3>
                    <h5>A computer science portal for geeks.</h5>
                    <h6>It also provide Internship aor
                        contributor program for students.
                    </h6>
                    <p>Scroll this section and see the
                        navigation list while scrolling.
                    </p>
                </center>
            </div>
            </div>
        </div>
    </div>
</body>
</html>

                    

 Tooltips

A tooltip is quite useful for showing the description of different elements in the webpage. The tooltip can be invoked on any element in a webpage. Tooltips on bootstrap depend on the 3rd party library Tether for positioning. We can even customize this tooltip according to our requirements. Some of them are:

Class Description

Syntax

Placement

Used to place a tooltip.

data-placement = “top|bottom|right|left”

Html

Adds HTML to a tooltip.

data-html = “true”

Offset

Sets the offset of the tool-tip relative to target. 

data-offset = “number|string”

Animation

Adds or removes animation to tooltip. 

data-animation = “true|false”

Trigger

Adds the event which will trigger tooltip. 

data-trigger = “hover focus”

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Tooltip</title>
    <meta charset="utf-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    <script src=
    <script src=
</head>
<body style="text-align:center;">
    <div class="container">
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
        <h2>Positioning Tooltip</h2>
        <button data-toggle="tooltip" data-placement="top"
            title="Top tooltip">Top
        </button>
        <button data-toggle="tooltip" data-placement="bottom"
            title="Bottom tooltip">Bottom
        </button>
        <button data-toggle="tooltip" data-placement="left"
            title="Left tooltip">Left
        </button>
        <button data-toggle="tooltip" data-placement="right"
            title="Right tooltip">Right
        </button>
    </div>
    <script>
        $(document).ready(function () {
        $('[data-toggle="tooltip"]').tooltip();
        });
    </script>
</body>
</html>

                    

 Jumbotron

Bootstrap Jumbotron is a responsive component whose main goal is to draw the visitor’s attention or highlight a special piece of information. Inside a Jumbotron, you can make use of almost any other Bootstrap code to further increase its engagement value.

Fluid Jumbotron: To create a full-width Jumbotron we use the jumbotron-fluid class along with the Jumbotron class.

Code:

HTML

<!DOCTYPE html>
<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet"
            href=
            integrity=
"sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
            crossorigin="anonymous">
</head>
<body>
    <div class="jumbotron jumbotron-fluid">
        <div class="container">
            <h1 class="display-4">Jumbotron Example</h1>
            <p class="lead">
            This is a modified jumbotron that
            occupies the entire horizontal
            space of its parent.
            </p>
        </div>
    </div>
</body>
</html>

                    

 Toasts

Toast is used to create something like an alert box which is shown for a short time like a couple of seconds when something happens. Like when the user clicks on a button or submits a form and many other actions.

  • .toast: It helps to create a toast.
  • .toast-header: It helps to create the toast header.
  • .toast-body: It helps to create toast body
  • .toast(“show”): It shows the toast
  • .toast(“hide”): It hides the toast
  • .toast(“dispose”): It disposes of the toast

Some of the events of toast are:

Event Description
show.bs.toast

 Occurs when the toast is about to be shown. 

shown.bs.toast

Occurs when the toast is shown. 

hide.bs.toast

 Happens when the toast is about to be hidden. 

hidden.bs.toast

 Happens when the toast is fully hidden. 

Code:

HTML

<!DOCTYPE html>
<html lang="en">
  
<head>
    <title>Toast Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
</head>
  
<body style="text-align: center">
    <h1 style="color:green">GeeksforGeeks</h1>
    <div class="container mt-3">
        <h3>.toast(options)</h3>
  
        <p>
            When we click the button below there
            would be delay of the toast to 8000
            milliseconds.
        </p>
  
        <button type="button" class="btn btn-primary"
        id="myBtn">Show Toast</button>
        <div class="toast mt-3">
            <div class="toast-header">
                Toast Header
            </div>
            <div class="toast-body">
                Some text inside the toast body
            </div>
        </div>
    </div>
    <script>
        $(document).ready(function () {
            $('#myBtn').click(function () {
                $('.toast').toast({
                    animation: false,
                    delay: 2000
                });
                $('.toast').toast('show');
            });
        });
    </script>
</body>
  
</html>

                    

Modal

Modals are used to add dialogs to your site for lightboxes, user notifications, or completely custom content. Modals are built with HTML, CSS, and JavaScript. They’re positioned over everything else in the document and remove scroll from the <body> so that modal content scrolls instead.

Syntax:

<div class="modal"> Contents... <div>

Class Description

Syntax

Popovers

 Added inside the modal. 

.modal

Content

Triggers same modal with different data 

.modal-content

Extra Large Modal

Provides the largest modal size with a max-width of 1140px. 

.modal-xl

Large Modal

 Provides a large modal size with a max-width of 800px. 

.modal-lg

Small Modal

Provides a small modal size with a max-width of 300px. 

.modal-sm

Code:

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
                integrity=
"sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
                crossorigin="anonymous"></script>
    <script src=
                integrity=
"sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
                crossorigin="anonymous"></script>
                integrity=
"sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
        crossorigin="anonymous"></script>
    <link rel="stylesheet"
            href=
            integrity=
"sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
            crossorigin="anonymous">
    <title>bootstrap | Modal</title>
    <style>
        h1,h6 {
        margin: 2%;
        }
        .btn {
        margin-left: 2%;
        }
    </style>
</head>
<body>
    <center>
    <h1 style="color:green;">GeeksforGeeks</h1>
    <!-- Button trigger modal -->
    <button type="button" class="btn btn-primary" data-toggle="modal"
        data-target="#exampleModal">Launch Modal</button>
    <!-- Modal -->
    <div class="modal fade" id="exampleModal" tabindex="-1" role="dialog"
        aria-labelledby="exampleModalLabel" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
            <div class="modal-header">
                <h6 class="modal-title" id="exampleModalLabel" style="color:green;">
                    GeeksforGeeks
                </h6>
                <!-- The title of the modal -->
                <button type="button" class="close" data-dismiss="modal"aria-label="Close">
                <span aria-hidden="true">×</span>
                </button>
            </div>
            <div class="modal-body">
                <!-- The content inside the modal box -->
                <p>The Content inside the modal </p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary"
                    data-dismiss="modal">Close</button>
                <!-- The close button in the bottom of the modal -->
                <button type="button" class="btn btn-primary">okay</button>
                <!-- The save changes button in the bottom of the modal -->
            </div>
          </div>
        </div>
    </div>
</body>
</html>

                    

 Borders

Borders are generally used to display an outline around a box or table cell or any other HTML element. In Bootstrap, there are different classes available to add or remove borders. The classes that are used to add borders are referred to as Additive classes and those that are used to remove borders are referred to as subtractive classes.

ClassDescription

Syntax

Border

Adds a border all around the element.

.border

Border top

Adds a border on top edge of the element.

.border-top

Border right

Adds a border on the right of the element.

.border-right

Border bottom

Adds a border on the bottom of the element.

.border-bottom

Border left

 Adds a border on the left of the element.

.border-left

Radius

Makes the corner of the border curved.

.rounded

Color

Used to add color to the border. 

.border-*

Code:

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Borders Example</title>
    <link rel="stylesheet" href=
    <!-- Link Bootstrap JS and JQuery -->
    <script src=
    <script src=
    <script src=
    <style>
        /* CSS for Square boxes */
        span {
        display: inline-block;
        width: 70px;
        height: 70px;
        margin: 6px;
        background-color: #DCDCDC;
        }
    </style>
</head>
<body>
    <div class="container">
        <h4>Additive Border Classes</h4>
        <span class="border border-dark"></span>
        <span class="border-top border-dark"></span>
        <span class="border-right border-dark"></span>
        <span class="border-bottom border-dark"></span>
        <span class="border-left border-dark"></span>
    </div>
    <div class="container">
        <h4>Subtractive Border Classes</h4>
        <span class="border border-dark"></span>
        <span class="border border-0 border-dark"></span>
        <span class="border border-top-0 border-dark"></span>
        <span class="border border-right-0 border-dark"></span>
        <span class="border border-bottom-0 border-dark"></span>
        <span class="border border-left-0 border-dark"></span>
    </div>
      <div>
        <h4>Color Border:</h4>
        <span class="border border-primary"></span>
        <span class="border border-secondary"></span>
        <span class="border border-success"></span>
        <span class="border border-danger"></span>
        <span class="border border-warning"></span>
        <span class="border border-info"></span>
        <span class="border border-light"></span>
        <span class="border border-dark"></span>
    </div>
    <div>
        <h4>Border Radius</h4>
        <span class="rounded"></span>
        <span class="rounded-top"></span>
        <span class="rounded-right"></span>
        <span class="rounded-bottom"></span>
        <span class="rounded-left"></span>
        <span class="rounded-circle"></span>
        <span class="rounded-0"></span>
    </div>
</body>
</html>

                    

We have Completer tutorial post with the proper roadmap of Bootstrap that includes Bootstrap 4 and Bootstrap 5. This tutorial contains each and every classes of any component with multiple possible examples.



Last Updated : 11 Jul, 2023
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