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855 lines
55 KiB
HTML
855 lines
55 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="description" content="Reboot, a collection of element-specific CSS changes in a single file, kickstart Bootstrap to provide an elegant, consistent, and simple baseline to build upon.">
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<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
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<meta name="generator" content="Hugo 0.79.0">
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<meta name="docsearch:language" content="en">
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<meta name="docsearch:version" content="5.0">
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<title>Reboot · Bootstrap v5.0</title>
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<link rel="canonical" href="https://getbootstrap.com/docs/5.0/content/reboot/">
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<link href="/docs/5.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">
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<meta name="twitter:site" content="@getbootstrap">
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<meta name="twitter:creator" content="@getbootstrap">
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<meta name="twitter:title" content="Reboot">
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<meta name="twitter:description" content="Reboot, a collection of element-specific CSS changes in a single file, kickstart Bootstrap to provide an elegant, consistent, and simple baseline to build upon.">
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<meta property="og:title" content="Reboot">
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<meta property="og:description" content="Reboot, a collection of element-specific CSS changes in a single file, kickstart Bootstrap to provide an elegant, consistent, and simple baseline to build upon.">
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window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
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ga('create', 'UA-146052-10', 'getbootstrap.com');
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ga('send', 'pageview');
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<body>
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<a class="nav-link p-2" href="https://themes.getbootstrap.com/" onclick="ga('send', 'event', 'Navbar', 'Community links', 'Themes');" target="_blank" rel="noopener">Themes</a>
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<svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" class="navbar-nav-svg d-inline-block align-text-top" viewBox="0 0 512 499.36" role="img"><title>GitHub</title><path fill="currentColor" fill-rule="evenodd" d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z"/></svg>
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<small class="d-md-none ms-2">GitHub</small>
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<small class="d-md-none ms-2">Twitter</small>
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<a class="nav-link p-2" href="https://bootstrap-slack.herokuapp.com/" target="_blank" rel="noopener">
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<svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" class="navbar-nav-svg d-inline-block align-text-top" viewBox="0 0 512 512" role="img"><title>Slack</title><path fill="currentColor" d="M210.787 234.832l68.31-22.883 22.1 65.977-68.309 22.882z"/><path fill="currentColor" d="M490.54 185.6C437.7 9.59 361.6-31.34 185.6 21.46S-31.3 150.4 21.46 326.4 150.4 543.3 326.4 490.54 543.34 361.6 490.54 185.6zM401.7 299.8l-33.15 11.05 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.38-68.36 22.92 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.43-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.5-13.92 2.87-29.06 16.78-33.56l33.12-11.03-22.1-65.9-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.48-13.93 2.89-29.07 16.81-33.58l33.15-11.05-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.46 34.38 68.36-22.92-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.47 34.42 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.87 29.06-16.78 33.56L329.7 194.6l22.1 65.9 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.88 29.07-16.81 33.57z"/></svg>
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<a class="nav-link p-2" href="https://opencollective.com/bootstrap" target="_blank" rel="noopener">
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<svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" fill="currentColor" fill-rule="evenodd" class="navbar-nav-svg d-inline-block align-text-top" viewBox="0 0 40 41" role="img"><title>Open Collective</title><path fill-opacity=".4" d="M32.8 21c0 2.4-.8 4.9-2 6.9l5.1 5.1c2.5-3.4 4.1-7.6 4.1-12 0-4.6-1.6-8.8-4-12.2L30.7 14c1.2 2 2 4.3 2 7z"/><path d="M20 33.7a12.8 12.8 0 0 1 0-25.6c2.6 0 5 .7 7 2.1L32 5a20 20 0 1 0 .1 31.9l-5-5.2a13 13 0 0 1-7 2z"/></svg>
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<a class="btn btn-bd-download d-lg-inline-block my-2 my-md-0 ms-md-3" href="/docs/5.0/getting-started/download/">Download</a>
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<nav class="bd-subnavbar py-2" aria-label="Secondary navigation">
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<span class="d-none d-lg-inline">Bootstrap</span> v5.0
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<button class="btn bd-sidebar-toggle d-md-none py-0 px-1 ms-3 order-3 collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation">
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<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" class="bi bi-expand" viewBox="0 0 16 16">
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<title>Expand</title>
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<path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zM7.646.146a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 1.707V5.5a.5.5 0 0 1-1 0V1.707L6.354 2.854a.5.5 0 1 1-.708-.708l2-2zM8 10a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 0 1 .708-.708L7.5 14.293V10.5A.5.5 0 0 1 8 10z"/>
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<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" class="bi bi-collapse" viewBox="0 0 16 16">
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<title>Collapse</title>
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<path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zm7-8a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 1 1 .708-.708L7.5 4.293V.5A.5.5 0 0 1 8 0zm-.5 11.707l-1.146 1.147a.5.5 0 0 1-.708-.708l2-2a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 11.707V15.5a.5.5 0 0 1-1 0v-3.793z"/>
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<div class="container-xxl my-md-4 bd-layout">
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<nav class="collapse bd-links" id="bd-docs-nav" aria-label="Docs navigation"><ul class="list-unstyled mb-0 py-3 pt-md-1">
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Getting started
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<li><a href="/docs/5.0/getting-started/introduction/" class="d-inline-flex align-items-center rounded">Introduction</a></li>
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<li><a href="/docs/5.0/getting-started/download/" class="d-inline-flex align-items-center rounded">Download</a></li>
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<li><a href="/docs/5.0/getting-started/contents/" class="d-inline-flex align-items-center rounded">Contents</a></li>
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<li><a href="/docs/5.0/getting-started/browsers-devices/" class="d-inline-flex align-items-center rounded">Browsers & devices</a></li>
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<li><a href="/docs/5.0/getting-started/javascript/" class="d-inline-flex align-items-center rounded">JavaScript</a></li>
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<li><a href="/docs/5.0/getting-started/build-tools/" class="d-inline-flex align-items-center rounded">Build tools</a></li>
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<li><a href="/docs/5.0/getting-started/webpack/" class="d-inline-flex align-items-center rounded">Webpack</a></li>
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<li><a href="/docs/5.0/getting-started/accessibility/" class="d-inline-flex align-items-center rounded">Accessibility</a></li>
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<li><a href="/docs/5.0/getting-started/rfs/" class="d-inline-flex align-items-center rounded">RFS</a></li>
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<li><a href="/docs/5.0/getting-started/rtl/" class="d-inline-flex align-items-center rounded">RTL</a></li>
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Customize
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<div class="collapse" id="customize-collapse">
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<ul class="list-unstyled fw-normal pb-1 small">
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<li><a href="/docs/5.0/customize/overview/" class="d-inline-flex align-items-center rounded">Overview</a></li>
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<li><a href="/docs/5.0/customize/sass/" class="d-inline-flex align-items-center rounded">Sass</a></li>
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<li><a href="/docs/5.0/customize/options/" class="d-inline-flex align-items-center rounded">Options</a></li>
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<li><a href="/docs/5.0/customize/color/" class="d-inline-flex align-items-center rounded">Color</a></li>
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<li><a href="/docs/5.0/customize/components/" class="d-inline-flex align-items-center rounded">Components</a></li>
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<li><a href="/docs/5.0/customize/css-variables/" class="d-inline-flex align-items-center rounded">CSS variables</a></li>
|
|
<li><a href="/docs/5.0/customize/optimize/" class="d-inline-flex align-items-center rounded">Optimize</a></li>
|
|
</ul>
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|
</div>
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</li>
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<li class="mb-1">
|
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<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#layout-collapse" aria-expanded="false">
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Layout
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</button>
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<div class="collapse" id="layout-collapse">
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<ul class="list-unstyled fw-normal pb-1 small">
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<li><a href="/docs/5.0/layout/breakpoints/" class="d-inline-flex align-items-center rounded">Breakpoints</a></li>
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<li><a href="/docs/5.0/layout/containers/" class="d-inline-flex align-items-center rounded">Containers</a></li>
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<li><a href="/docs/5.0/layout/grid/" class="d-inline-flex align-items-center rounded">Grid</a></li>
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<li><a href="/docs/5.0/layout/columns/" class="d-inline-flex align-items-center rounded">Columns</a></li>
|
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<li><a href="/docs/5.0/layout/gutters/" class="d-inline-flex align-items-center rounded">Gutters</a></li>
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<li><a href="/docs/5.0/layout/utilities/" class="d-inline-flex align-items-center rounded">Utilities</a></li>
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<li><a href="/docs/5.0/layout/z-index/" class="d-inline-flex align-items-center rounded">Z-index</a></li>
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</ul>
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</div>
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</li>
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<li class="mb-1 active">
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<button class="btn d-inline-flex align-items-center rounded" data-bs-toggle="collapse" data-bs-target="#content-collapse" aria-expanded="true" aria-current="true">
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Content
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</button>
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<div class="collapse show" id="content-collapse">
|
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<ul class="list-unstyled fw-normal pb-1 small">
|
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<li><a href="/docs/5.0/content/reboot/" class="d-inline-flex align-items-center rounded active" aria-current="page">Reboot</a></li>
|
|
<li><a href="/docs/5.0/content/typography/" class="d-inline-flex align-items-center rounded">Typography</a></li>
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<li><a href="/docs/5.0/content/images/" class="d-inline-flex align-items-center rounded">Images</a></li>
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<li><a href="/docs/5.0/content/tables/" class="d-inline-flex align-items-center rounded">Tables</a></li>
|
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<li><a href="/docs/5.0/content/figures/" class="d-inline-flex align-items-center rounded">Figures</a></li>
|
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</ul>
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</div>
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</li>
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|
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<li class="mb-1">
|
|
<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#forms-collapse" aria-expanded="false">
|
|
Forms
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|
</button>
|
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<div class="collapse" id="forms-collapse">
|
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<ul class="list-unstyled fw-normal pb-1 small">
|
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<li><a href="/docs/5.0/forms/overview/" class="d-inline-flex align-items-center rounded">Overview</a></li>
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|
<li><a href="/docs/5.0/forms/form-control/" class="d-inline-flex align-items-center rounded">Form control</a></li>
|
|
<li><a href="/docs/5.0/forms/select/" class="d-inline-flex align-items-center rounded">Select</a></li>
|
|
<li><a href="/docs/5.0/forms/checks-radios/" class="d-inline-flex align-items-center rounded">Checks & radios</a></li>
|
|
<li><a href="/docs/5.0/forms/range/" class="d-inline-flex align-items-center rounded">Range</a></li>
|
|
<li><a href="/docs/5.0/forms/input-group/" class="d-inline-flex align-items-center rounded">Input group</a></li>
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|
<li><a href="/docs/5.0/forms/floating-labels/" class="d-inline-flex align-items-center rounded">Floating labels</a></li>
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<li><a href="/docs/5.0/forms/layout/" class="d-inline-flex align-items-center rounded">Layout</a></li>
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<li><a href="/docs/5.0/forms/validation/" class="d-inline-flex align-items-center rounded">Validation</a></li>
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</ul>
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</div>
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</li>
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<li class="mb-1">
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<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#components-collapse" aria-expanded="false">
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Components
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</button>
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<div class="collapse" id="components-collapse">
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<ul class="list-unstyled fw-normal pb-1 small">
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<li><a href="/docs/5.0/components/accordion/" class="d-inline-flex align-items-center rounded">Accordion</a></li>
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<li><a href="/docs/5.0/components/alerts/" class="d-inline-flex align-items-center rounded">Alerts</a></li>
|
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<li><a href="/docs/5.0/components/badge/" class="d-inline-flex align-items-center rounded">Badge</a></li>
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<li><a href="/docs/5.0/components/breadcrumb/" class="d-inline-flex align-items-center rounded">Breadcrumb</a></li>
|
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<li><a href="/docs/5.0/components/buttons/" class="d-inline-flex align-items-center rounded">Buttons</a></li>
|
|
<li><a href="/docs/5.0/components/button-group/" class="d-inline-flex align-items-center rounded">Button group</a></li>
|
|
<li><a href="/docs/5.0/components/card/" class="d-inline-flex align-items-center rounded">Card</a></li>
|
|
<li><a href="/docs/5.0/components/carousel/" class="d-inline-flex align-items-center rounded">Carousel</a></li>
|
|
<li><a href="/docs/5.0/components/close-button/" class="d-inline-flex align-items-center rounded">Close button</a></li>
|
|
<li><a href="/docs/5.0/components/collapse/" class="d-inline-flex align-items-center rounded">Collapse</a></li>
|
|
<li><a href="/docs/5.0/components/dropdowns/" class="d-inline-flex align-items-center rounded">Dropdowns</a></li>
|
|
<li><a href="/docs/5.0/components/list-group/" class="d-inline-flex align-items-center rounded">List group</a></li>
|
|
<li><a href="/docs/5.0/components/modal/" class="d-inline-flex align-items-center rounded">Modal</a></li>
|
|
<li><a href="/docs/5.0/components/navs-tabs/" class="d-inline-flex align-items-center rounded">Navs & tabs</a></li>
|
|
<li><a href="/docs/5.0/components/navbar/" class="d-inline-flex align-items-center rounded">Navbar</a></li>
|
|
<li><a href="/docs/5.0/components/pagination/" class="d-inline-flex align-items-center rounded">Pagination</a></li>
|
|
<li><a href="/docs/5.0/components/popovers/" class="d-inline-flex align-items-center rounded">Popovers</a></li>
|
|
<li><a href="/docs/5.0/components/progress/" class="d-inline-flex align-items-center rounded">Progress</a></li>
|
|
<li><a href="/docs/5.0/components/scrollspy/" class="d-inline-flex align-items-center rounded">Scrollspy</a></li>
|
|
<li><a href="/docs/5.0/components/spinners/" class="d-inline-flex align-items-center rounded">Spinners</a></li>
|
|
<li><a href="/docs/5.0/components/toasts/" class="d-inline-flex align-items-center rounded">Toasts</a></li>
|
|
<li><a href="/docs/5.0/components/tooltips/" class="d-inline-flex align-items-center rounded">Tooltips</a></li>
|
|
</ul>
|
|
</div>
|
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</li>
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|
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<li class="mb-1">
|
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<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#helpers-collapse" aria-expanded="false">
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Helpers
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</button>
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<div class="collapse" id="helpers-collapse">
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<ul class="list-unstyled fw-normal pb-1 small">
|
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<li><a href="/docs/5.0/helpers/clearfix/" class="d-inline-flex align-items-center rounded">Clearfix</a></li>
|
|
<li><a href="/docs/5.0/helpers/colored-links/" class="d-inline-flex align-items-center rounded">Colored links</a></li>
|
|
<li><a href="/docs/5.0/helpers/ratio/" class="d-inline-flex align-items-center rounded">Ratio</a></li>
|
|
<li><a href="/docs/5.0/helpers/position/" class="d-inline-flex align-items-center rounded">Position</a></li>
|
|
<li><a href="/docs/5.0/helpers/visually-hidden/" class="d-inline-flex align-items-center rounded">Visually hidden</a></li>
|
|
<li><a href="/docs/5.0/helpers/stretched-link/" class="d-inline-flex align-items-center rounded">Stretched link</a></li>
|
|
<li><a href="/docs/5.0/helpers/text-truncation/" class="d-inline-flex align-items-center rounded">Text truncation</a></li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
|
|
<li class="mb-1">
|
|
<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#utilities-collapse" aria-expanded="false">
|
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Utilities
|
|
</button>
|
|
<div class="collapse" id="utilities-collapse">
|
|
<ul class="list-unstyled fw-normal pb-1 small">
|
|
<li><a href="/docs/5.0/utilities/api/" class="d-inline-flex align-items-center rounded">API</a></li>
|
|
<li><a href="/docs/5.0/utilities/borders/" class="d-inline-flex align-items-center rounded">Borders</a></li>
|
|
<li><a href="/docs/5.0/utilities/colors/" class="d-inline-flex align-items-center rounded">Colors</a></li>
|
|
<li><a href="/docs/5.0/utilities/display/" class="d-inline-flex align-items-center rounded">Display</a></li>
|
|
<li><a href="/docs/5.0/utilities/flex/" class="d-inline-flex align-items-center rounded">Flex</a></li>
|
|
<li><a href="/docs/5.0/utilities/float/" class="d-inline-flex align-items-center rounded">Float</a></li>
|
|
<li><a href="/docs/5.0/utilities/interactions/" class="d-inline-flex align-items-center rounded">Interactions</a></li>
|
|
<li><a href="/docs/5.0/utilities/overflow/" class="d-inline-flex align-items-center rounded">Overflow</a></li>
|
|
<li><a href="/docs/5.0/utilities/position/" class="d-inline-flex align-items-center rounded">Position</a></li>
|
|
<li><a href="/docs/5.0/utilities/shadows/" class="d-inline-flex align-items-center rounded">Shadows</a></li>
|
|
<li><a href="/docs/5.0/utilities/sizing/" class="d-inline-flex align-items-center rounded">Sizing</a></li>
|
|
<li><a href="/docs/5.0/utilities/spacing/" class="d-inline-flex align-items-center rounded">Spacing</a></li>
|
|
<li><a href="/docs/5.0/utilities/text/" class="d-inline-flex align-items-center rounded">Text</a></li>
|
|
<li><a href="/docs/5.0/utilities/vertical-align/" class="d-inline-flex align-items-center rounded">Vertical align</a></li>
|
|
<li><a href="/docs/5.0/utilities/visibility/" class="d-inline-flex align-items-center rounded">Visibility</a></li>
|
|
</ul>
|
|
</div>
|
|
</li>
|
|
|
|
<li class="mb-1">
|
|
<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#extend-collapse" aria-expanded="false">
|
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Extend
|
|
</button>
|
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<div class="collapse" id="extend-collapse">
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|
<ul class="list-unstyled fw-normal pb-1 small">
|
|
<li><a href="/docs/5.0/extend/approach/" class="d-inline-flex align-items-center rounded">Approach</a></li>
|
|
<li><a href="/docs/5.0/extend/icons/" class="d-inline-flex align-items-center rounded">Icons</a></li>
|
|
</ul>
|
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</div>
|
|
</li>
|
|
|
|
<li class="mb-1">
|
|
<button class="btn d-inline-flex align-items-center rounded collapsed" data-bs-toggle="collapse" data-bs-target="#about-collapse" aria-expanded="false">
|
|
About
|
|
</button>
|
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<div class="collapse" id="about-collapse">
|
|
<ul class="list-unstyled fw-normal pb-1 small">
|
|
<li><a href="/docs/5.0/about/overview/" class="d-inline-flex align-items-center rounded">Overview</a></li>
|
|
<li><a href="/docs/5.0/about/team/" class="d-inline-flex align-items-center rounded">Team</a></li>
|
|
<li><a href="/docs/5.0/about/brand/" class="d-inline-flex align-items-center rounded">Brand</a></li>
|
|
<li><a href="/docs/5.0/about/license/" class="d-inline-flex align-items-center rounded">License</a></li>
|
|
<li><a href="/docs/5.0/about/translations/" class="d-inline-flex align-items-center rounded">Translations</a></li>
|
|
</ul>
|
|
</div>
|
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</li>
|
|
|
|
<li class="my-3 mx-4 border-top"></li>
|
|
<li>
|
|
<a href="/docs/5.0/migration/" class="d-inline-flex align-items-center rounded">
|
|
Migration
|
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</a>
|
|
</li>
|
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</ul>
|
|
</nav>
|
|
|
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</aside>
|
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|
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<main class="bd-main order-1">
|
|
<div class="bd-intro ps-lg-4">
|
|
<div class="d-md-flex flex-md-row-reverse align-items-center justify-content-between">
|
|
<a class="btn btn-sm btn-bd-light mb-2 mb-md-0" href="https://github.com/twbs/bootstrap/blob/main/site/content/docs/5.0/content/reboot.md" title="View and edit this file on GitHub" target="_blank" rel="noopener">View on GitHub</a>
|
|
<h1 class="bd-title" id="content">Reboot</h1>
|
|
</div>
|
|
<p class="bd-lead">Reboot, a collection of element-specific CSS changes in a single file, kickstart Bootstrap to provide an elegant, consistent, and simple baseline to build upon.</p>
|
|
<script async src="https://cdn.carbonads.com/carbon.js?serve=CKYIKKJL&placement=getbootstrapcom" id="_carbonads_js"></script>
|
|
|
|
</div>
|
|
|
|
|
|
<div class="bd-toc mt-4 mb-5 my-md-0 ps-xl-3 mb-lg-5 text-muted">
|
|
<strong class="d-block h6 my-2 pb-2 border-bottom">On this page</strong>
|
|
<nav id="TableOfContents">
|
|
<ul>
|
|
<li><a href="#approach">Approach</a></li>
|
|
<li><a href="#page-defaults">Page defaults</a></li>
|
|
<li><a href="#native-font-stack">Native font stack</a></li>
|
|
<li><a href="#headings-and-paragraphs">Headings and paragraphs</a></li>
|
|
<li><a href="#lists">Lists</a></li>
|
|
<li><a href="#inline-code">Inline code</a></li>
|
|
<li><a href="#code-blocks">Code blocks</a></li>
|
|
<li><a href="#variables">Variables</a></li>
|
|
<li><a href="#user-input">User input</a></li>
|
|
<li><a href="#sample-output">Sample output</a></li>
|
|
<li><a href="#tables">Tables</a></li>
|
|
<li><a href="#forms">Forms</a>
|
|
<ul>
|
|
<li><a href="#pointers-on-buttons">Pointers on buttons</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#misc-elements">Misc elements</a>
|
|
<ul>
|
|
<li><a href="#address">Address</a></li>
|
|
<li><a href="#blockquote">Blockquote</a></li>
|
|
<li><a href="#inline-elements">Inline elements</a></li>
|
|
<li><a href="#summary">Summary</a></li>
|
|
</ul>
|
|
</li>
|
|
<li><a href="#html5-hidden-attribute">HTML5 <code>[hidden]</code> attribute</a></li>
|
|
</ul>
|
|
</nav>
|
|
</div>
|
|
|
|
|
|
<div class="bd-content ps-lg-4">
|
|
|
|
|
|
<h2 id="approach">Approach</h2>
|
|
<p>Reboot builds upon Normalize, providing many HTML elements with somewhat opinionated styles using only element selectors. Additional styling is done only with classes. For example, we reboot some <code><table></code> styles for a simpler baseline and later provide <code>.table</code>, <code>.table-bordered</code>, and more.</p>
|
|
<p>Here are our guidelines and reasons for choosing what to override in Reboot:</p>
|
|
<ul>
|
|
<li>Update some browser default values to use <code>rem</code>s instead of <code>em</code>s for scalable component spacing.</li>
|
|
<li>Avoid <code>margin-top</code>. Vertical margins can collapse, yielding unexpected results. More importantly though, a single direction of <code>margin</code> is a simpler mental model.</li>
|
|
<li>For easier scaling across device sizes, block elements should use <code>rem</code>s for <code>margin</code>s.</li>
|
|
<li>Keep declarations of <code>font</code>-related properties to a minimum, using <code>inherit</code> whenever possible.</li>
|
|
</ul>
|
|
<h2 id="page-defaults">Page defaults</h2>
|
|
<p>The <code><html></code> and <code><body></code> elements are updated to provide better page-wide defaults. More specifically:</p>
|
|
<ul>
|
|
<li>The <code>box-sizing</code> is globally set on every element—including <code>*::before</code> and <code>*::after</code>, to <code>border-box</code>. This ensures that the declared width of element is never exceeded due to padding or border.
|
|
<ul>
|
|
<li>No base <code>font-size</code> is declared on the <code><html></code>, but <code>16px</code> is assumed (the browser default). <code>font-size: 1rem</code> is applied on the <code><body></code> for easy responsive type-scaling via media queries while respecting user preferences and ensuring a more accessible approach. This browser default can be overridden by modifying the <code>$font-size-root</code> variable.</li>
|
|
</ul>
|
|
</li>
|
|
<li>The <code><body></code> also sets a global <code>font-family</code>, <code>font-weight</code>, <code>line-height</code>, and <code>color</code>. This is inherited later by some form elements to prevent font inconsistencies.</li>
|
|
<li>For safety, the <code><body></code> has a declared <code>background-color</code>, defaulting to <code>#fff</code>.</li>
|
|
</ul>
|
|
<h2 id="native-font-stack">Native font stack</h2>
|
|
<p>Bootstrap utilizes a “native font stack” or “system font stack” for optimum text rendering on every device and OS. These system fonts have been designed specifically with today’s devices in mind, with improved rendering on screens, variable font support, and more. Read more about <a href="https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/">native font stacks in this <em>Smashing Magazine</em> article</a>.</p>
|
|
<div class="highlight"><pre class="chroma"><code class="language-scss" data-lang="scss"><span class="nv">$font-family-sans-serif</span><span class="o">:</span>
|
|
<span class="c1">// Safari for macOS and iOS (San Francisco)</span>
|
|
<span class="o">-</span><span class="n">apple-system</span><span class="o">,</span>
|
|
<span class="c1">// Chrome < 56 for macOS (San Francisco)</span>
|
|
<span class="n">BlinkMacSystemFont</span><span class="o">,</span>
|
|
<span class="c1">// Windows</span>
|
|
<span class="s2">"Segoe UI"</span><span class="o">,</span>
|
|
<span class="c1">// Android</span>
|
|
<span class="n">Roboto</span><span class="o">,</span>
|
|
<span class="c1">// Basic web fallback</span>
|
|
<span class="s2">"Helvetica Neue"</span><span class="o">,</span> <span class="n">Arial</span><span class="o">,</span>
|
|
<span class="c1">// Linux</span>
|
|
<span class="s2">"Noto Sans"</span><span class="o">,</span>
|
|
<span class="s2">"Liberation Sans"</span><span class="o">,</span>
|
|
<span class="c1">// Sans serif fallback</span>
|
|
<span class="no">sans-serif</span><span class="o">,</span>
|
|
<span class="c1">// Emoji fonts</span>
|
|
<span class="s2">"Apple Color Emoji"</span><span class="o">,</span> <span class="s2">"Segoe UI Emoji"</span><span class="o">,</span> <span class="s2">"Segoe UI Symbol"</span><span class="o">,</span> <span class="s2">"Noto Color Emoji"</span> <span class="nv">!default</span><span class="p">;</span>
|
|
</code></pre></div><p>Note that because the font stack includes emoji fonts, many common symbol/dingbat unicode characters will be rendered as multi-colored pictographs. Their appearance will vary, depending on the style used in the browser/platform’s native emoji font, and they won’t be affected by any CSS <code>color</code> styles.</p>
|
|
<p>This <code>font-family</code> is applied to the <code><body></code> and automatically inherited globally throughout Bootstrap. To switch the global <code>font-family</code>, update <code>$font-family-base</code> and recompile Bootstrap.</p>
|
|
<h2 id="headings-and-paragraphs">Headings and paragraphs</h2>
|
|
<p>All heading elements—e.g., <code><h1></code>—and <code><p></code> are reset to have their <code>margin-top</code> removed. Headings have <code>margin-bottom: .5rem</code> added and paragraphs <code>margin-bottom: 1rem</code> for easy spacing.</p>
|
|
<table class="table">
|
|
<thead>
|
|
<tr>
|
|
<th>Heading</th>
|
|
<th>Example</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code><h1></h1></code>
|
|
</td>
|
|
<td><span class="h1">h1. Bootstrap heading</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code><h2></h2></code>
|
|
</td>
|
|
<td><span class="h2">h2. Bootstrap heading</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code><h3></h3></code>
|
|
</td>
|
|
<td><span class="h3">h3. Bootstrap heading</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code><h4></h4></code>
|
|
</td>
|
|
<td><span class="h4">h4. Bootstrap heading</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code><h5></h5></code>
|
|
</td>
|
|
<td><span class="h5">h5. Bootstrap heading</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code><h6></h6></code>
|
|
</td>
|
|
<td><span class="h6">h6. Bootstrap heading</span></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
<h2 id="lists">Lists</h2>
|
|
<p>All lists—<code><ul></code>, <code><ol></code>, and <code><dl></code>—have their <code>margin-top</code> removed and a <code>margin-bottom: 1rem</code>. Nested lists have no <code>margin-bottom</code>. We’ve also reset the <code>padding-left</code> on <code><ul></code> and <code><ol></code> elements.</p>
|
|
<div class="bd-example">
|
|
<ul>
|
|
<li>Lorem ipsum dolor sit amet</li>
|
|
<li>Consectetur adipiscing elit</li>
|
|
<li>Integer molestie lorem at massa</li>
|
|
<li>Facilisis in pretium nisl aliquet</li>
|
|
<li>Nulla volutpat aliquam velit
|
|
<ul>
|
|
<li>Phasellus iaculis neque</li>
|
|
<li>Purus sodales ultricies</li>
|
|
<li>Vestibulum laoreet porttitor sem</li>
|
|
<li>Ac tristique libero volutpat at</li>
|
|
</ul>
|
|
</li>
|
|
<li>Faucibus porta lacus fringilla vel</li>
|
|
<li>Aenean sit amet erat nunc</li>
|
|
<li>Eget porttitor lorem</li>
|
|
</ul>
|
|
<ol>
|
|
<li>Lorem ipsum dolor sit amet</li>
|
|
<li>Consectetur adipiscing elit</li>
|
|
<li>Integer molestie lorem at massa</li>
|
|
<li>Facilisis in pretium nisl aliquet</li>
|
|
<li>Nulla volutpat aliquam velit</li>
|
|
<li>Faucibus porta lacus fringilla vel</li>
|
|
<li>Aenean sit amet erat nunc</li>
|
|
<li>Eget porttitor lorem</li>
|
|
</ol>
|
|
|
|
</div>
|
|
<p>For simpler styling, clear hierarchy, and better spacing, description lists have updated <code>margin</code>s. <code><dd></code>s reset <code>margin-left</code> to <code>0</code> and add <code>margin-bottom: .5rem</code>. <code><dt></code>s are <strong>bolded</strong>.</p>
|
|
<div class="bd-example">
|
|
<dl>
|
|
<dt>Description lists</dt>
|
|
<dd>A description list is perfect for defining terms.</dd>
|
|
<dt>Euismod</dt>
|
|
<dd>Vestibulum id ligula porta felis euismod semper eget lacinia odio sem.</dd>
|
|
<dd>Donec id elit non mi porta gravida at eget metus.</dd>
|
|
<dt>Malesuada porta</dt>
|
|
<dd>Etiam porta sem malesuada magna mollis euismod.</dd>
|
|
</dl>
|
|
</div>
|
|
<h2 id="inline-code">Inline code</h2>
|
|
<p>Wrap inline snippets of code with <code><code></code>. Be sure to escape HTML angle brackets.</p>
|
|
<div class="bd-example">
|
|
For example, <code><section></code> should be wrapped as inline.
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html">For example, <span class="p"><</span><span class="nt">code</span><span class="p">></span><span class="ni">&lt;</span>section<span class="ni">&gt;</span><span class="p"></</span><span class="nt">code</span><span class="p">></span> should be wrapped as inline.</code></pre></div>
|
|
<h2 id="code-blocks">Code blocks</h2>
|
|
<p>Use <code><pre></code>s for multiple lines of code. Once again, be sure to escape any angle brackets in the code for proper rendering. The <code><pre></code> element is reset to remove its <code>margin-top</code> and use <code>rem</code> units for its <code>margin-bottom</code>.</p>
|
|
<div class="bd-example">
|
|
<pre><code><p>Sample text here...</p>
|
|
<p>And another line of sample text here...</p>
|
|
</code></pre>
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html"><span class="p"><</span><span class="nt">pre</span><span class="p">><</span><span class="nt">code</span><span class="p">></span><span class="ni">&lt;</span>p<span class="ni">&gt;</span>Sample text here...<span class="ni">&lt;</span>/p<span class="ni">&gt;</span>
|
|
<span class="ni">&lt;</span>p<span class="ni">&gt;</span>And another line of sample text here...<span class="ni">&lt;</span>/p<span class="ni">&gt;</span>
|
|
<span class="p"></</span><span class="nt">code</span><span class="p">></</span><span class="nt">pre</span><span class="p">></span></code></pre></div>
|
|
<h2 id="variables">Variables</h2>
|
|
<p>For indicating variables use the <code><var></code> tag.</p>
|
|
<div class="bd-example">
|
|
<var>y</var> = <var>m</var><var>x</var> + <var>b</var>
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html"><span class="p"><</span><span class="nt">var</span><span class="p">></span>y<span class="p"></</span><span class="nt">var</span><span class="p">></span> = <span class="p"><</span><span class="nt">var</span><span class="p">></span>m<span class="p"></</span><span class="nt">var</span><span class="p">><</span><span class="nt">var</span><span class="p">></span>x<span class="p"></</span><span class="nt">var</span><span class="p">></span> + <span class="p"><</span><span class="nt">var</span><span class="p">></span>b<span class="p"></</span><span class="nt">var</span><span class="p">></span></code></pre></div>
|
|
<h2 id="user-input">User input</h2>
|
|
<p>Use the <code><kbd></code> to indicate input that is typically entered via keyboard.</p>
|
|
<div class="bd-example">
|
|
To switch directories, type <kbd>cd</kbd> followed by the name of the directory.<br>
|
|
To edit settings, press <kbd><kbd>ctrl</kbd> + <kbd>,</kbd></kbd>
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html">To switch directories, type <span class="p"><</span><span class="nt">kbd</span><span class="p">></span>cd<span class="p"></</span><span class="nt">kbd</span><span class="p">></span> followed by the name of the directory.<span class="p"><</span><span class="nt">br</span><span class="p">></span>
|
|
To edit settings, press <span class="p"><</span><span class="nt">kbd</span><span class="p">><</span><span class="nt">kbd</span><span class="p">></span>ctrl<span class="p"></</span><span class="nt">kbd</span><span class="p">></span> + <span class="p"><</span><span class="nt">kbd</span><span class="p">></span>,<span class="p"></</span><span class="nt">kbd</span><span class="p">></</span><span class="nt">kbd</span><span class="p">></span></code></pre></div>
|
|
<h2 id="sample-output">Sample output</h2>
|
|
<p>For indicating sample output from a program use the <code><samp></code> tag.</p>
|
|
<div class="bd-example">
|
|
<samp>This text is meant to be treated as sample output from a computer program.</samp>
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html"><span class="p"><</span><span class="nt">samp</span><span class="p">></span>This text is meant to be treated as sample output from a computer program.<span class="p"></</span><span class="nt">samp</span><span class="p">></span></code></pre></div>
|
|
<h2 id="tables">Tables</h2>
|
|
<p>Tables are slightly adjusted to style <code><caption></code>s, collapse borders, and ensure consistent <code>text-align</code> throughout. Additional changes for borders, padding, and more come with <a href="/docs/5.0/content/tables/">the <code>.table</code> class</a>.</p>
|
|
<div class="bd-example">
|
|
<table>
|
|
<caption>
|
|
This is an example table, and this is its caption to describe the contents.
|
|
</caption>
|
|
<thead>
|
|
<tr>
|
|
<th>Table heading</th>
|
|
<th>Table heading</th>
|
|
<th>Table heading</th>
|
|
<th>Table heading</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
</tr>
|
|
<tr>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
</tr>
|
|
<tr>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
<td>Table cell</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<h2 id="forms">Forms</h2>
|
|
<p>Various form elements have been rebooted for simpler base styles. Here are some of the most notable changes:</p>
|
|
<ul>
|
|
<li><code><fieldset></code>s have no borders, padding, or margin so they can be easily used as wrappers for individual inputs or groups of inputs.</li>
|
|
<li><code><legend></code>s, like fieldsets, have also been restyled to be displayed as a heading of sorts.</li>
|
|
<li><code><label></code>s are set to <code>display: inline-block</code> to allow <code>margin</code> to be applied.</li>
|
|
<li><code><input></code>s, <code><select></code>s, <code><textarea></code>s, and <code><button></code>s are mostly addressed by Normalize, but Reboot removes their <code>margin</code> and sets <code>line-height: inherit</code>, too.</li>
|
|
<li><code><textarea></code>s are modified to only be resizable vertically as horizontal resizing often “breaks” page layout.</li>
|
|
<li><code><button></code>s and <code><input></code> button elements have <code>cursor: pointer</code> when <code>:not(:disabled)</code>.</li>
|
|
</ul>
|
|
<p>These changes, and more, are demonstrated below.</p>
|
|
<form class="bd-example">
|
|
<fieldset>
|
|
<legend>Example legend</legend>
|
|
<p>
|
|
<label for="input">Example input</label>
|
|
<input type="text" id="input" placeholder="Example input">
|
|
</p>
|
|
<p>
|
|
<label for="email">Example email</label>
|
|
<input type="email" id="email" placeholder="lorem@ipsum.com">
|
|
</p>
|
|
<p>
|
|
<label for="tel">Example telephone</label>
|
|
<input type="tel" id="tel">
|
|
</p>
|
|
<p>
|
|
<label for="url">Example url</label>
|
|
<input type="url" id="url">
|
|
</p>
|
|
<p>
|
|
<label for="number">Example number</label>
|
|
<input type="number" id="number">
|
|
</p>
|
|
<p>
|
|
<label for="search">Example search</label>
|
|
<input type="search" id="search">
|
|
</p>
|
|
<p>
|
|
<label for="range">Example range</label>
|
|
<input type="range" id="range" min="0" max="10">
|
|
</p>
|
|
<p>
|
|
<label for="file">Example file input</label>
|
|
<input type="file" id="file">
|
|
</p>
|
|
<p>
|
|
<label for="select">Example select</label>
|
|
<select id="select">
|
|
<option value="">Choose...</option>
|
|
<optgroup label="Option group 1">
|
|
<option value="">Option 1</option>
|
|
<option value="">Option 2</option>
|
|
<option value="">Option 3</option>
|
|
</optgroup>
|
|
<optgroup label="Option group 2">
|
|
<option value="">Option 4</option>
|
|
<option value="">Option 5</option>
|
|
<option value="">Option 6</option>
|
|
</optgroup>
|
|
</select>
|
|
</p>
|
|
<p>
|
|
<label>
|
|
<input type="checkbox" value="">
|
|
Check this checkbox
|
|
</label>
|
|
</p>
|
|
<p>
|
|
<label>
|
|
<input type="radio" name="optionsRadios" id="optionsRadios1" value="option1" checked>
|
|
Option one is this and that
|
|
</label>
|
|
<label>
|
|
<input type="radio" name="optionsRadios" id="optionsRadios2" value="option2">
|
|
Option two is something else that's also super long to demonstrate the wrapping of these fancy form controls.
|
|
</label>
|
|
<label>
|
|
<input type="radio" name="optionsRadios" id="optionsRadios3" value="option3" disabled>
|
|
Option three is disabled
|
|
</label>
|
|
</p>
|
|
<p>
|
|
<label for="textarea">Example textarea</label>
|
|
<textarea id="textarea" rows="3"></textarea>
|
|
</p>
|
|
<p>
|
|
<label for="date">Example date</label>
|
|
<input type="date" id="date">
|
|
</p>
|
|
<p>
|
|
<label for="time">Example time</label>
|
|
<input type="time" id="time">
|
|
</p>
|
|
<p>
|
|
<label for="password">Example password</label>
|
|
<input type="password" id="password">
|
|
</p>
|
|
<p>
|
|
<label for="datetime-local">Example datetime-local</label>
|
|
<input type="datetime-local" id="datetime-local">
|
|
</p>
|
|
<p>
|
|
<label for="week">Example week</label>
|
|
<input type="week" id="week">
|
|
</p>
|
|
<p>
|
|
<label for="month">Example month</label>
|
|
<input type="month" id="month">
|
|
</p>
|
|
<p>
|
|
<label for="color">Example color</label>
|
|
<input type="color" id="color">
|
|
</p>
|
|
<p>
|
|
<label for="output">Example output</label>
|
|
<output name="result" id="output">100</output>
|
|
</p>
|
|
<p>
|
|
<button type="submit">Button submit</button>
|
|
<input type="submit" value="Input submit button">
|
|
<input type="reset" value="Input reset button">
|
|
<input type="button" value="Input button">
|
|
</p>
|
|
<p>
|
|
<button type="submit" disabled>Button submit</button>
|
|
<input type="submit" value="Input submit button" disabled>
|
|
<input type="reset" value="Input reset button" disabled>
|
|
<input type="button" value="Input button" disabled>
|
|
</p>
|
|
</fieldset>
|
|
</form>
|
|
<div class="bd-callout bd-callout-warning">
|
|
<h5 id="date--color-input-support">Date & color input support</h5>
|
|
<p>Keep in mind date inputs are <a href="https://caniuse.com/input-datetime">not fully supported</a> by all browsers, namely Safari.
|
|
</div>
|
|
|
|
<h3 id="pointers-on-buttons">Pointers on buttons</h3>
|
|
<p>Reboot includes an enhancement for <code>role="button"</code> to change the default cursor to <code>pointer</code>. Add this attribute to elements to help indicate elements are interactive. This role isn’t necessary for <code><button></code> elements, which get their own <code>cursor</code> change.</p>
|
|
<div class="bd-example">
|
|
<span role="button" tabindex="0">Non-button element button</span>
|
|
</div><div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html"><span class="p"><</span><span class="nt">span</span> <span class="na">role</span><span class="o">=</span><span class="s">"button"</span> <span class="na">tabindex</span><span class="o">=</span><span class="s">"0"</span><span class="p">></span>Non-button element button<span class="p"></</span><span class="nt">span</span><span class="p">></span></code></pre></div>
|
|
<h2 id="misc-elements">Misc elements</h2>
|
|
<h3 id="address">Address</h3>
|
|
<p>The <code><address></code> element is updated to reset the browser default <code>font-style</code> from <code>italic</code> to <code>normal</code>. <code>line-height</code> is also now inherited, and <code>margin-bottom: 1rem</code> has been added. <code><address></code>s are for presenting contact information for the nearest ancestor (or an entire body of work). Preserve formatting by ending lines with <code><br></code>.</p>
|
|
<div class="bd-example">
|
|
<address>
|
|
<strong>Twitter, Inc.</strong><br>
|
|
1355 Market St, Suite 900<br>
|
|
San Francisco, CA 94103<br>
|
|
<abbr title="Phone">P:</abbr> (123) 456-7890
|
|
</address>
|
|
<address>
|
|
<strong>Full Name</strong><br>
|
|
<a href="mailto:first.last@example.com">first.last@example.com</a>
|
|
</address>
|
|
</div>
|
|
<h3 id="blockquote">Blockquote</h3>
|
|
<p>The default <code>margin</code> on blockquotes is <code>1em 40px</code>, so we reset that to <code>0 0 1rem</code> for something more consistent with other elements.</p>
|
|
<div class="bd-example">
|
|
<blockquote class="blockquote">
|
|
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.</p>
|
|
</blockquote>
|
|
<p>Someone famous in <cite title="Source Title">Source Title</cite></p>
|
|
</div>
|
|
<h3 id="inline-elements">Inline elements</h3>
|
|
<p>The <code><abbr></code> element receives basic styling to make it stand out amongst paragraph text.</p>
|
|
<div class="bd-example">
|
|
Nulla <abbr title="attribute">attr</abbr> vitae elit libero, a pharetra augue.
|
|
</div>
|
|
<h3 id="summary">Summary</h3>
|
|
<p>The default <code>cursor</code> on summary is <code>text</code>, so we reset that to <code>pointer</code> to convey that the element can be interacted with by clicking on it.</p>
|
|
<div class="bd-example">
|
|
<details>
|
|
<summary>Some details</summary>
|
|
<p>More info about the details.</p>
|
|
</details>
|
|
<details open>
|
|
<summary>Even more details</summary>
|
|
<p>Here are even more details about the details.</p>
|
|
</details>
|
|
</div>
|
|
<h2 id="html5-hidden-attribute">HTML5 <code>[hidden]</code> attribute</h2>
|
|
<p>HTML5 adds <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/hidden">a new global attribute named <code>[hidden]</code></a>, which is styled as <code>display: none</code> by default. Borrowing an idea from <a href="https://purecss.io/">PureCSS</a>, we improve upon this default by making <code>[hidden] { display: none !important; }</code> to help prevent its <code>display</code> from getting accidentally overridden.</p>
|
|
<div class="highlight"><pre class="chroma"><code class="language-html" data-lang="html"><span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"text"</span> <span class="na">hidden</span><span class="p">></span>
|
|
</code></pre></div><div class="bd-callout bd-callout-warning">
|
|
<h5 id="jquery-incompatibility">jQuery incompatibility</h5>
|
|
<p><code>[hidden]</code> is not compatible with jQuery’s <code>$(...).hide()</code> and <code>$(...).show()</code> methods. Therefore, we don’t currently especially endorse <code>[hidden]</code> over other techniques for managing the <code>display</code> of elements.
|
|
</div>
|
|
|
|
<p>To merely toggle the visibility of an element, meaning its <code>display</code> is not modified and the element can still affect the flow of the document, use <a href="/docs/5.0/utilities/visibility/">the <code>.invisible</code> class</a> instead.</p>
|
|
|
|
</div>
|
|
</main>
|
|
</div>
|
|
|
|
|
|
<footer class="bd-footer p-3 p-md-5 mt-5 bg-light text-center text-sm-start">
|
|
<div class="container">
|
|
<ul class="bd-footer-links ps-0 mb-3">
|
|
<li class="d-inline-block"><a href="https://github.com/twbs">GitHub</a></li>
|
|
<li class="d-inline-block ms-3"><a href="https://twitter.com/getbootstrap">Twitter</a></li>
|
|
<li class="d-inline-block ms-3"><a href="/docs/5.0/examples/">Examples</a></li>
|
|
<li class="d-inline-block ms-3"><a href="/docs/5.0/about/overview/">About</a></li>
|
|
</ul>
|
|
<p class="mb-0">Designed and built with all the love in the world by the <a href="/docs/5.0/about/team/">Bootstrap team</a> with the help of <a href="https://github.com/twbs/bootstrap/graphs/contributors">our contributors</a>.</p>
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