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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Learning Bootstrap</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<style>
[class*="col"] {
padding: 1rem;
background-color: #33b5e5;
border: 2px solid #fff;
color: #fff;
}
</style>
</head>
<body>
<h1>Hello world!</h1>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<div class="container_md border">
<div class="row">
<div class="col-md-8 col-md-6">col1</div>
<div class="col-md-4 col-md-6">col2</div>
</div>
</div>
<div class="container mt-3">
<p>The font-size of each Bootstrap heading depends on the screen size. Try to resize the browser window to see the effect.</p>
<h1>h1 Bootstrap heading</h1>
<h2>h2 Bootstrap heading</h2>
<h3>h3 Bootstrap heading</h3>
<h4>h4 Bootstrap heading</h4>
<h5>h5 Bootstrap heading</h5>
<h6>h6 Bootstrap heading</h6>
</div>
<div class="container mt-3">
<p class="h1">h1 Bootstrap text</p>
<p class="h2">h2 Bootstrap text</p>
<p class="h3">h3 Bootstrap text</p>
<p class="h4">h4 Bootstrap text</p>
<p class="h5">h5 Bootstrap text</p>
<p class="h6">h6 Bootstrap text</p>
</div>
<div class="container mt-3">
<h1>Display Headings</h1>
<p>Display headings are used to stand out more than normal headings (larger font-size and lighter font-weight):</p>
<h1 class="display-1">Display 1</h1>
<h1 class="display-2">Display 2</h1>
<h1 class="display-3">Display 3</h1>
<h1 class="display-4">Display 4</h1>
<h1 class="display-5">Display 5</h1>
<h1 class="display-6">Display 6</h1>
</div>
<div class="container mt-3">
<h1>Smaller, Secondary Text</h1>
<p>The small element (and the .small class) is used to create a smaller, secondary text in any heading:</p>
<h1>h1 heading <small>secondary text</small></h1>
<h2>h2 heading <small>secondary text</small></h2>
<h3>h3 heading <small>secondary text</small></h3>
<h4>h4 heading <small>secondary text</small></h4>
<h5>h5 heading <small>secondary text</small></h5>
<h6>h6 heading <small>secondary text</small></h6>
</div>
<div class="container mt-3">
<h1>Highlight Text</h1>
<p>Use the mark element (or the .mark class) to <mark>highlight</mark> text.</p>
</div>
<div class="container mt-3">
<h1>Abbreviations</h1>
<p>The abbr element is used to mark up an abbreviation or acronym:</p>
<p>The <abbr title="World Health Organization">WHO</abbr> was founded in 1948.</p>
</div>
<div class="container mt-3">
<h1>Blockquotes</h1>
<p>The blockquote element is used to present content from another source:</p>
<blockquote class="blockquote">
<p>For 50 years, WWF has been protecting the future of nature. The world's leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally.</p>
<footer class="blockquote-footer">From WWF's website</footer>
</blockquote>
</div>
<div class="container mt-3">
<h1>Description Lists</h1>
<p>The dl element indicates a description list:</p>
<dl>
<dt>Coffee</dt>
<dd>- black hot drink</dd>
<dt>Milk</dt>
<dd>- white cold drink</dd>
</dl>
</div>
<div class="container mt-3">
<h1>Code Snippets</h1>
<p>Inline snippets of code should be embedded in the code element:</p>
<p>The following HTML elements: <code>span</code>, <code>section</code>, and <code>div</code> defines a section in a document.</p>
</div>
<div class="container mt-3">
<h1>Keyboard Inputs</h1>
<p>To indicate input that is typically entered via the keyboard, use the kbd element:</p>
<p>Use <kbd>ctrl + p</kbd> to open the Print dialog box.</p>
</div>
<div class="container mt-3">
<h1>Multiple Code Lines</h1>
<p>For multiple lines of code, use the pre element:</p>
<pre>
Text in a pre element
is displayed in a fixed-width
font, and it preserves
both spaces and
line breaks.
</pre>
</div>
<div class="container mt-3">
<h2>Typography</h2>
<p>Use the .lead class to make a paragraph "stand out":</p>
<p class="lead">This paragraph stands out.</p>
<p>This is a regular paragraph.</p>
</div>
<div class="container mt-3">
<h2>Contextual Colors</h2>
<p>Use the contextual classes to provide "meaning through colors":</p>
<p class="text-muted">This text is muted.</p>
<p class="text-primary">This text is important.</p>
<p class="text-success">This text indicates success.</p>
<p class="text-info">This text represents some information.</p>
<p class="text-warning">This text represents a warning.</p>
<p class="text-danger">This text represents danger.</p>
<p class="text-secondary">Secondary text.</p>
<p class="text-dark">This text is dark grey.</p>
<p class="text-body">Default body color (often black).</p>
<p class="text-light">This text is light grey (on white background).</p>
<p class="text-white">This text is white (on white background).</p>
</div>
<div class="container mt-3">
<h2>Opacity Text Colors</h2>
<p>Add 50% opacity for black or white text with the .text-black-50 or .text-white-50 classes:</p>
<p class="text-black-50">Black text with 50% opacity on white background</p>
<p class="text-white-50 bg-dark">White text with 50% opacity on black background</p>
</div>
<div class="container mt-3">
<h2>Contextual Backgrounds</h2>
<p>Use the contextual background classes to provide "meaning through colors".</p>
<div class="bg-primary p-3"></div>
<div class="bg-success p-3"></div>
<div class="bg-info p-3"></div>
<div class="bg-warning p-3"></div>
<div class="bg-danger p-3"></div>
<div class="bg-secondary p-3"></div>
<div class="bg-dark p-3"></div>
<div class="bg-light p-3"></div>
</div>
<div class="container mt-3">
<h2>Basic Table</h2>
<p>The .table class adds basic styling (light padding and horizontal dividers) to a table:</p>
<table class="table">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Striped Rows</h2>
<p>The .table-striped class adds zebra-stripes to a table:</p>
<table class="table table-striped">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Bordered Table</h2>
<p>The .table-bordered class adds borders on all sides of the table and the cells:</p>
<table class="table table-bordered">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Hover Rows</h2>
<p>The .table-hover class enables a hover state (grey background on mouse over) on table rows:</p>
<table class="table table-hover">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Black/Dark Table</h2>
<p>The .table-dark class adds a black background to the table:</p>
<table class="table table-dark">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Dark Striped Table</h2>
<p>Combine .table-dark and .table-striped to create a dark, striped table:</p>
<table class="table table-dark table-striped">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Hoverable Dark Table</h2>
<p>The .table-hover class adds a hover effect (grey background color) on table rows:</p>
<table class="table table-dark table-hover">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Borderless Table</h2>
<p>The .table-borderless class removes borders from the table:</p>
<table class="table table-borderless">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Contextual Classes</h2>
<p>Contextual classes can be used to color the table, table rows or table cells. The classes that can be used are: .table-primary, .table-success, .table-info, .table-warning, .table-danger, .table-active, .table-secondary, .table-light and .table-dark:</p>
<table class="table">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>Default</td>
<td>Defaultson</td>
</tr>
<tr class="table-primary">
<td>Primary</td>
<td>Joe</td>
</tr>
<tr class="table-success">
<td>Success</td>
<td>Doe</td>
</tr>
<tr class="table-danger">
<td>Danger</td>
<td>Moe</td>
</tr>
<tr class="table-info">
<td>Info</td>
<td>Dooley</td>
</tr>
<tr class="table-warning">
<td>Warning</td>
<td>Refs</td>
</tr>
<tr class="table-active">
<td>Active</td>
<td>Activeson</td>
</tr>
<tr class="table-secondary">
<td>Secondary</td>
<td>Secondson</td>
</tr>
<tr class="table-light">
<td>Light</td>
<td>Angie</td>
</tr>
<tr class="table-dark">
<td>Dark</td>
<td>Bo</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Table Head Colors</h2>
<p>You can use any of the contextual classes to only add a color to the table header:</p>
<table class="table">
<thead class="table-dark">
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
<table class="table">
<thead class="table-success">
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Small Table</h2>
<p>The .table-sm class makes the table smaller by cutting cell padding in half:</p>
<table class="table table-bordered table-sm">
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td>John</td>
<td>Doe</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
</tr>
</tbody>
</table>
</div>
<div class="container mt-3">
<h2>Responsive Table</h2>
<p>The .table-responsive class adds a scrollbar to the table when needed:</p>
<div class="table-responsive">
<table class="table table-bordered">
<thead>
<tr>
<th>#</th>
<th>Firstname</th>
<th>Lastname</th>
<th>Age</th>
<th>City</th>
<th>Country</th>
<th>Sex</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>Anna</td>
<td>Pitt</td>
<td>35</td>
<td>New York</td>
<td>USA</td>
<td>Female</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="container mt-3">
<h2>Responsive Table</h2>
<p>The .table-responsive-sm class creates a responsive table which will scroll horizontally on screens that are less than 576px wide.</p>
<p>Resize the browser window to see the effect.</p>
<div class="table-responsive-sm">
<table class="table table-bordered">
<thead>
<tr>
<th>#</th>
<th>Firstname</th>
<th>Lastname</th>
<th>Age</th>
<th>City</th>
<th>Country</th>
<th>Sex</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
<th>Example</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>Anna</td>
<td>Pitt</td>
<td>35</td>
<td>New York</td>
<td>USA</td>
<td>Female</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
<td>Yes</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="container mt-3">
<h2>Rounded Corners</h2>
<p>The .rounded class adds rounded corners to an image:</p>
<img src="cinqueterre.jpg" class="rounded" alt="Cinque Terre" width="304" height="236">
</div>
<div class="container mt-3">
<h2>Circle</h2>
<p>The .rounded-circle class shapes the image to a circle:</p>
<img src="cinqueterre.jpg" class="rounded-circle" alt="Cinque Terre" width="304" height="236">
</div>
<div class="container mt-3">
<h2>Thumbnail</h2>
<p>The .img-thumbnail class creates a thumbnail of the image:</p>
<img src="cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre" width="304" height="236">
</div>
<div class="container mt-3">
<h2>Aligning images</h2>
<p>Use the float classes to float the image to the left or to the right:</p>
<img src="paris.jpg" class="float-start" alt="Paris" width="304" height="236">
<img src="paris.jpg" class="float-end" alt="Paris" width="304" height="236">
</div>
<div class="container mt-3">
<h2>Centered Image</h2>
<p>Center an image by adding the utility classes .mx-auto (margin:auto) and .d-block (display:block) to the image:</p>
<img src="paris.jpg" class="mx-auto d-block" style="width:50%">
</div>
<div class="container mt-3">
<h2>Image</h2>
<p>The .img-fluid class makes the image scale nicely to the parent element (resize the browser window to see the effect):</p>
<img class="img-fluid" src="ny.jpg" alt="New York" width="1100" height="500">
</div>
<div class="container mt-3">
<h2>Alerts</h2>
<p>Alerts are created with the .alert class, followed by a contextual color classes:</p>
<div class="alert alert-success">
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info">
<strong>Info!</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning">
<strong>Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger">
<strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
</div>
<div class="alert alert-primary">
<strong>Primary!</strong> Indicates an important action.
</div>
<div class="alert alert-secondary">
<strong>Secondary!</strong> Indicates a slightly less important action.
</div>
<div class="alert alert-dark">
<strong>Dark!</strong> Dark grey alert.
</div>
<div class="alert alert-light">
<strong>Light!</strong> Light grey alert.
</div>
</div>
<div class="container mt-3">
<h2>Alert Links</h2>
<p>Add the alert-link class to any links inside the alert box to create "matching colored links".</p>
<div class="alert alert-success">
<strong>Success!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-info">
<strong>Info!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-warning">
<strong>Warning!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-danger">
<strong>Danger!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-primary">
<strong>Primary!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-secondary">
<strong>Secondary!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-dark">
<strong>Dark!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-light">
<strong>Light!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
</div>
<div class="container mt-3">
<h2>Alerts</h2>
<p>The button with class="btn-close" and data-bs-dismiss="alert" is used to close the alert box.</p>
<p>The alert-dismissible class aligns the button to the right.</p>
<div class="alert alert-success alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Info!</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
</div>
<div class="alert alert-primary alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Primary!</strong> Indicates an important action.
</div>
<div class="alert alert-secondary alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Secondary!</strong> Indicates a slightly less important action.
</div>
<div class="alert alert-dark alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Dark!</strong> Dark grey alert.
</div>
<div class="alert alert-light alert-dismissible">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Light!</strong> Light grey alert.
</div>
</div>
<div class="container mt-3">
<h2>Animated Alerts</h2>
<p>The .fade and .show classes adds a fading effect when closing the alert message.</p>
<div class="alert alert-success alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Info!</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
</div>
<div class="alert alert-primary alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Primary!</strong> Indicates an important action.
</div>
<div class="alert alert-secondary alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Secondary!</strong> Indicates a slightly less important action.
</div>
<div class="alert alert-dark alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Dark!</strong> Dark grey alert.
</div>
<div class="alert alert-light alert-dismissible fade show">
<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
<strong>Light!</strong> Light grey alert.
</div>
</div>
<div class="container mt-3">
<h2>Button Styles</h2>
<button type="button" class="btn">Basic</button>
<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-info">Info</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-dark">Dark</button>
<button type="button" class="btn btn-light">Light</button>
<button type="button" class="btn btn-link">Link</button>
</div>
<div class="container mt-3">
<h2>Button Elements</h2>
<a href="#" class="btn btn-success">Link Button</a>
<button type="button" class="btn btn-success">Button</button>
<input type="button" class="btn btn-success" value="Input Button">
<input type="submit" class="btn btn-success" value="Submit Button">
<input type="reset" class="btn btn-success" value="Reset Button">
</div>
<div class="container mt-3">
<h2>Button Outline</h2>
<button type="button" class="btn btn-outline-primary">Primary</button>
<button type="button" class="btn btn-outline-secondary">Secondary</button>
<button type="button" class="btn btn-outline-success">Success</button>
<button type="button" class="btn btn-outline-info">Info</button>
<button type="button" class="btn btn-outline-warning">Warning</button>
<button type="button" class="btn btn-outline-danger">Danger</button>
<button type="button" class="btn btn-outline-dark">Dark</button>
<button type="button" class="btn btn-outline-light text-dark">Light</button>
</div>
<div class="container mt-3">
<h2>Button Sizes</h2>
<button type="button" class="btn btn-primary btn-lg">Large</button>
<button type="button" class="btn btn-primary btn-md">Default</button>
<button type="button" class="btn btn-primary btn-sm">Small</button>
</div>
<div class="container mt-3">
<h2>Block Level Buttons</h2>
<p>To create a block level button that spans the entire width of the parent element, use the .d-grid "helper" class on the parent element:</p>
<div class="d-grid">
<button type="button" class="btn btn-primary btn-block" >Full-Width Button</button>
</div>
</div>
<div class="container mt-3">
<h2>Button States</h2>
<button type="button" class="btn btn-primary active">Active Primary</button>
<button type="button" class="btn btn-primary" disabled>Disabled Primary</button>
<a href="#" class="btn btn-primary disabled">Disabled Link</a>
</div>
<div class="container mt-3">
<h2>Spinner Buttons</h2>
<p>Add spinners to buttons:</p>
<button class="btn btn-primary">
<span class="spinner-border spinner-border-sm"></span>
</button>
<button class="btn btn-primary">
<span class="spinner-border spinner-border-sm"></span>
Loading..
</button>
<button class="btn btn-primary" disabled>
<span class="spinner-border spinner-border-sm"></span>
Loading..
</button>
<button class="btn btn-primary" disabled>
<span class="spinner-grow spinner-grow-sm"></span>
Loading..
</button>
</div>
<div class="container mt-3">
<h2>Button Group</h2>
<p>The .btn-group class creates a button group:</p>
<div class="btn-group">
<button type="button" class="btn btn-primary">Apple</button>
<button type="button" class="btn btn-primary">Samsung</button>
<button type="button" class="btn btn-primary">Sony</button>
</div>
</div>
<div class="container mt-3">
<h2>Vertical Button Group</h2>
<p>Use the .btn-group-vertical class to create a vertical button group:</p>
<div class="btn-group-vertical">
<button type="button" class="btn btn-primary">Apple</button>
<button type="button" class="btn btn-primary">Samsung</button>
<button type="button" class="btn btn-primary">Sony</button>
</div>
</div>
<div class="container mt-3">
<h2>Nesting Button Groups</h2>
<p>Nest button groups to create dropdown menus:</p>
<div class="btn-group">
<button type="button" class="btn btn-primary">Apple</button>
<button type="button" class="btn btn-primary">Samsung</button>
<div class="btn-group">
<button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown">Sony</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Tablet</a></li>
<li><a class="dropdown-item" href="#">Smartphone</a></li>
</ul>
</div>
</div>
</div>
<div class="container mt-3">
<h2>Badges</h2>
<h1>Example heading <span class="badge bg-secondary">New</span></h1>
<h2>Example heading <span class="badge bg-secondary">New</span></h2>
<h3>Example heading <span class="badge bg-secondary">New</span></h3>
<h4>Example heading <span class="badge bg-secondary">New</span></h4>
<h5>Example heading <span class="badge bg-secondary">New</span></h5>
<h6>Example heading <span class="badge bg-secondary">New</span></h6>
</div>
<div class="container mt-3">
<h2>Contextual Badges</h2>
<span class="badge bg-primary">Primary</span>
<span class="badge bg-secondary">Secondary</span>
<span class="badge bg-success">Success</span>
<span class="badge bg-danger">Danger</span>
<span class="badge bg-warning">Warning</span>
<span class="badge bg-info">Info</span>
<span class="badge bg-light">Light</span>
<span class="badge bg-dark">Dark</span>
</div>
<div class="container mt-3">
<h2>Pill Badges</h2>
<span class="badge rounded-pill bg-primary">Primary</span>
<span class="badge rounded-pill bg-secondary">Secondary</span>
<span class="badge rounded-pill bg-success">Success</span>
<span class="badge rounded-pill bg-danger">Danger</span>
<span class="badge rounded-pill bg-warning">Warning</span>
<span class="badge rounded-pill bg-info">Info</span>
<span class="badge rounded-pill bg-light">Light</span>
<span class="badge rounded-pill bg-dark">Dark</span>
</div>
<div class="container mt-3">
<h2>Badge inside a Button</h2>
<button type="button" class="btn btn-primary">
Messages <span class="badge btn-danger">4</span>
</button>
<button type="button" class="btn btn-danger">
Notification <span class="badge bg-dark">7</span>
</button>
</div>
<div class="container mt-3 row mx-auto gap-3">
<h2>Basic Progress Bar</h2>
<p>To create a default progress bar, add a .progress class to a container element and add the progress-bar class to its child element. Use the CSS width property to set the width of the progress bar:</p>
<div class="progress">
<div class="progress-bar" style="width:20%"></div>