Bootstrap 5 使用默认的 font-size
1rem(默认为 16px),其 <p>
元素都有 margin-top: 0
和 margin-bottom: 1rem
(默认为 16px)。
Bootstrap 5 样式 HTML 标题(<h1>
到 <h6>
),具有更粗的字体粗细和响应式字体大小。
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
如果需要,您还可以在其他元素上使用 .h1
到 .h6
类,使它们充当标题:
<p class="h1">h1 Bootstrap heading</p>
<p class="h2">h2 Bootstrap heading</p>
<p class="h3">h3 Bootstrap heading</p>
<p class="h4">h4 Bootstrap heading</p>
<p class="h5">h5 Bootstrap heading</p>
<p class="h6">h6 Bootstrap heading</p>
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<p class="h1">h1 Bootstrap heading</p>
<p class="h2">h2 Bootstrap heading</p>
<p class="h3">h3 Bootstrap heading</p>
<p class="h4">h4 Bootstrap heading</p>
<p class="h5">h5 Bootstrap heading</p>
<p class="h6">h6 Bootstrap heading</p>
</div>
</body>
</html>
显示标题用于比普通标题(更大 字体大小和较轻的字体粗细),并且有 有六个类可供选择:.display-1
到 .display-6
:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 中的 HTML 元素
<small>
(以及 .small
类)用于在任何标题中创建较小的辅助文本:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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</h1>
<h2>h2 heading <small>secondary text</h2>
<h3>h3 heading <small>secondary text</h3>
<h4>h4 heading <small>secondary text</h4>
<h5>h5 heading <small>secondary text</h5>
<h6>h6 heading <small>secondary text</h6>
</div>
</body>
</html>
Bootstrap 5 将使用黄色背景色和一些填充来设置 mark
标签和 .mark
类的样式:
使用 mark 元素突出显示文本。
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 将设置 HTML abbr
元素的样式,底部带有虚线边框,鼠标悬停时光标带有问号:
The WHO was founded in 1948.
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
将 .blockquote
类添加到 <blockquote>
当引用其他来源的内容块时。在命名来源时,例如“来自 WWF 网站”,请使用 .blockquote-footer
类:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 将按以下方式设置 HTML dl
元素的样式:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 将按以下方式设置 HTML code
元素的样式:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 将按以下方式设置 HTML <kbd>
元素的样式:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
Bootstrap 5 将按以下方式设置 HTML <pre>
元素的样式:
自己尝试一下→
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
可以添加下面的 Bootstrap 5 类来进一步设置 HTML 元素的样式:
类别:
.lead
描述:使段落脱颖而出
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<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>
</body>
</html>
类别:
.text-start
描述:表示文本左对齐
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-start">Left-aligned text.</p>
<p class="text-end">Right-aligned text.</p>
<p class="text-center">Center-aligned text.</p>
<p class="text-nowrap">No wrap text. No wrap text. No wrap text. No wrap text.</p>
</div>
</body>
</html>
类别:
.text-break
描述:防止长文本破坏布局
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Text break / Word break</h2>
<p>The .text-break class prevents long text from breaking layout.</p>
<p>With .text-break:</p>
<p class="text-break">AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz</p>
<p>Without .text-break:</p>
<p>AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZzAaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz</p>
</div>
</body>
</html>
类别:
.text-center
描述:表示文本居中对齐
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-start">Left-aligned text.</p>
<p class="text-end">Right-aligned text.</p>
<p class="text-center">Center-aligned text.</p>
<p class="text-nowrap">No wrap text. No wrap text. No wrap text. No wrap text.</p>
</div>
</body>
</html>
类别:
.text-decoration-none
描述:从链接中删除下划线
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Text Decoration</h2>
<p>Use the .text-decoration-none class to remove the underline from a link.</p>
<a href="#" class="text-decoration-none">A link without underline.</a>
</div>
</body>
</html>
类别:
.text-end
描述:表示文本右对齐
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-start">Left-aligned text.</p>
<p class="text-end">Right-aligned text.</p>
<p class="text-center">Center-aligned text.</p>
<p class="text-nowrap">No wrap text. No wrap text. No wrap text. No wrap text.</p>
</div>
</body>
</html>
类别:
.text-nowrap
描述:表示无换行文本
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-start">Left-aligned text.</p>
<p class="text-end">Right-aligned text.</p>
<p class="text-center">Center-aligned text.</p>
<p class="text-nowrap">No wrap text. No wrap text. No wrap text. No wrap text.</p>
</div>
</body>
</html>
类别:
.text-lowercase
描述:表示小写文本
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-lowercase">Lowercased text.</p>
<p class="text-uppercase">Uppercased text.</p>
<p class="text-capitalize">Capitalized text.</p>
</div>
</body>
</html>
类别:
.text-uppercase
描述:表示大写文本
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-lowercase">Lowercased text.</p>
<p class="text-uppercase">Uppercased text.</p>
<p class="text-capitalize">Capitalized text.</p>
</div>
</body>
</html>
类别:
.text-capitalize
描述:表示大写文本
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p class="text-lowercase">Lowercased text.</p>
<p class="text-uppercase">Uppercased text.</p>
<p class="text-capitalize">Capitalized text.</p>
</div>
</body>
</html>
类别:
.initialism
描述:以稍小的字体显示 元素内的文本
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p>The <abbr title="World Health Organization">WHO</abbr> was founded in 1948. (normal abbr)</p>
<p>The <abbr title="World Health Organization" class="initialism">WHO</abbr> was founded in 1948. (slightly smaller abbr)</p>
</div>
</body>
</html>
类别:
.list-unstyled
描述:删除列表项上的默认列表样式和左边距(适用于<ul>
和<ol>
)。此类仅适用于直接子列表项(要从任何嵌套列表中删除默认列表样式,请将此类也应用于任何嵌套列表)
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p>The class .list-unstyled removes the default list-style and left margin on list items (immediate children only):</p>
<ul class="list-unstyled">
<li>Coffee</li>
<li>Tea
<ul>
<li>Black tea</li>
<li>Green tea</li>
</ul>
</li>
<li>Milk</li>
</ul>
</div>
</body>
</html>
类别:
.list-inline
描述:将所有列表项放在一行上(与每个 <li> 元素上的 .list-inline-item
一起使用)
例子 :
尝试一下
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>Typography</h2>
<p>The class .list-inline places all list items on a single line, when used together with the .list-inline-item:</p>
<ul class="list-inline">
<li class="list-inline-item">Coffee</li>
<li class="list-inline-item">Tea</li>
<li class="list-inline-item">Milk</li>
</ul>
</div>
</body>
</html>