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Position

Use these helpers for quickly configuring the position of an element.

On this page

Fixed top

Position an element at the top of the viewport, from edge to edge. Be sure you understand the ramifications of fixed position in your project; you may need to add additional CSS.

<div class="fixed-top">...</div>

Fixed bottom

Position an element at the bottom of the viewport, from edge to edge. Be sure you understand the ramifications of fixed position in your project; you may need to add additional CSS.

<div class="fixed-bottom">...</div>

Sticky top

Position an element at the top of the viewport, from edge to edge, but only after you scroll past it.

<div class="sticky-top">...</div>

Responsive sticky top

Responsive variations also exist for .sticky-top utility.

<div class="sticky-sm-top">Stick to the top on viewports sized SM (small) or wider</div>
<div class="sticky-md-top">Stick to the top on viewports sized MD (medium) or wider</div>
<div class="sticky-lg-top">Stick to the top on viewports sized LG (large) or wider</div>
<div class="sticky-xl-top">Stick to the top on viewports sized XL (extra-large) or wider</div>
<div class="sticky-xxl-top">Stick to the top on viewports sized XXL (extra-extra-large) or wider</div>

Sticky bottom

Position an element at the bottom of the viewport, from edge to edge, but only after you scroll past it.

<div class="sticky-bottom">...</div>

Responsive sticky bottom

Responsive variations also exist for .sticky-bottom utility.

<div class="sticky-sm-bottom">Stick to the bottom on viewports sized SM (small) or wider</div>
<div class="sticky-md-bottom">Stick to the bottom on viewports sized MD (medium) or wider</div>
<div class="sticky-lg-bottom">Stick to the bottom on viewports sized LG (large) or wider</div>
<div class="sticky-xl-bottom">Stick to the bottom on viewports sized XL (extra-large) or wider</div>
<div class="sticky-xxl-bottom">Stick to the bottom on viewports sized XXL (extra-extra-large) or wider</div>

` const jsSnippetContent = jsSnippet ? '\/\/ NOTICE!!! Initially embedded in our docs this JavaScript\n\/\/ file contains elements that can help you create reproducible\n\/\/ use cases in StackBlitz for instance\.\n\/\/ In a real project please adapt this content to your needs\.\n\/\/ \u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\u002b\n\n\/\*!\n \* JavaScript for Bootstrap\u0027s docs \(https:\/\/getbootstrap\.com\/\)\n \* Copyright 2011\-2022 The Bootstrap Authors\n \* Copyright 2011\-2022 Twitter, Inc\.\n \* Licensed under the Creative Commons Attribution 3\.0 Unported License\.\n \* For details, see https:\/\/creativecommons\.org\/licenses\/by\/3\.0\/\.\n \*\/\n\n\/\* global bootstrap: false \*\/\n\n\(\(\) =\u003e \{\n \u0027use strict\u0027\n\n \/\/ \-\-\-\-\-\-\-\-\n \/\/ Tooltips\n \/\/ \-\-\-\-\-\-\-\-\n \/\/ Instantiate all tooltips in a docs or StackBlitz page\n document\.querySelectorAll\(\u0027\[data\-bs\-toggle=\u0022tooltip\u0022\]\u0027\)\n \.forEach\(tooltip =\u003e \{\n new bootstrap\.Tooltip\(tooltip\)\n \}\)\n\n \/\/ \-\-\-\-\-\-\-\-\n \/\/ Popovers\n \/\/ \-\-\-\-\-\-\-\-\n \/\/ Instantiate all popovers in a docs or StackBlitz page\n document\.querySelectorAll\(\u0027\[data\-bs\-toggle=\u0022popover\u0022\]\u0027\)\n \.forEach\(popover =\u003e \{\n new bootstrap\.Popover\(popover\)\n \}\)\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Toasts\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Used by \u0027Placement\u0027 example in docs or StackBlitz\n const toastPlacement = document\.getElementById\(\u0027toastPlacement\u0027\)\n if \(toastPlacement\) \{\n document\.getElementById\(\u0027selectToastPlacement\u0027\)\.addEventListener\(\u0027change\u0027, function \(\) \{\n if \(!toastPlacement\.dataset\.originalClass\) \{\n toastPlacement\.dataset\.originalClass = toastPlacement\.className\n \}\n\n toastPlacement\.className = `\$\{toastPlacement\.dataset\.originalClass\} \$\{this\.value\}`\n \}\)\n \}\n\n \/\/ Instantiate all toasts in a docs page only\n document\.querySelectorAll\(\u0027\.bd\-example \.toast\u0027\)\n \.forEach\(toastNode =\u003e \{\n const toast = new bootstrap\.Toast\(toastNode, \{\n autohide: false\n \}\)\n\n toast\.show\(\)\n \}\)\n\n \/\/ Instantiate all toasts in a docs page only\n const toastTrigger = document\.getElementById\(\u0027liveToastBtn\u0027\)\n const toastLiveExample = document\.getElementById\(\u0027liveToast\u0027\)\n if \(toastTrigger\) \{\n toastTrigger\.addEventListener\(\u0027click\u0027, \(\) =\u003e \{\n const toast = new bootstrap\.Toast\(toastLiveExample\)\n\n toast\.show\(\)\n \}\)\n \}\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Alerts\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Used in \u0027Show live toast\u0027 example in docs or StackBlitz\n const alertPlaceholder = document\.getElementById\(\u0027liveAlertPlaceholder\u0027\)\n const alertTrigger = document\.getElementById\(\u0027liveAlertBtn\u0027\)\n\n const appendAlert = \(message, type\) =\u003e \{\n const wrapper = document\.createElement\(\u0027div\u0027\)\n wrapper\.innerHTML = \[\n `\u003cdiv class=\u0022alert alert\-\$\{type\} alert\-dismissible\u0022 role=\u0022alert\u0022\u003e`,\n ` \u003cdiv\u003e\$\{message\}\u003c\/div\u003e`,\n \u0027 \u003cbutton type=\u0022button\u0022 class=\u0022btn\-close\u0022 data\-bs\-dismiss=\u0022alert\u0022 aria\-label=\u0022Close\u0022\u003e\u003c\/button\u003e\u0027,\n \u0027\u003c\/div\u003e\u0027\n \]\.join\(\u0027\u0027\)\n\n alertPlaceholder\.append\(wrapper\)\n \}\n\n if \(alertTrigger\) \{\n alertTrigger\.addEventListener\(\u0027click\u0027, \(\) =\u003e \{\n appendAlert\(\u0027Nice, you triggered this alert message!\u0027, \u0027success\u0027\)\n \}\)\n \}\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Checks \u0026 Radios\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Indeterminate checkbox example in docs and StackBlitz\n document\.querySelectorAll\(\u0027\.bd\-example\-indeterminate \[type=\u0022checkbox\u0022\]\u0027\)\n \.forEach\(checkbox =\u003e \{\n if \(checkbox\.id\.includes\(\u0027Indeterminate\u0027\)\) \{\n checkbox\.indeterminate = true\n \}\n \}\)\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Links\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Disable empty links in docs examples only\n document\.querySelectorAll\(\u0027\.bd\-content \[href=\u0022#\u0022\]\u0027\)\n \.forEach\(link =\u003e \{\n link\.addEventListener\(\u0027click\u0027, event =\u003e \{\n event\.preventDefault\(\)\n \}\)\n \}\)\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Modal\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Modal \u0027Varying modal content\u0027 example in docs and StackBlitz\n const exampleModal = document\.getElementById\(\u0027exampleModal\u0027\)\n if \(exampleModal\) \{\n exampleModal\.addEventListener\(\u0027show\.bs\.modal\u0027, event =\u003e \{\n \/\/ Button that triggered the modal\n const button = event\.relatedTarget\n \/\/ Extract info from data\-bs\-\* attributes\n const recipient = button\.getAttribute\(\u0027data\-bs\-whatever\u0027\)\n\n \/\/ Update the modal\u0027s content\.\n const modalTitle = exampleModal\.querySelector\(\u0027\.modal\-title\u0027\)\n const modalBodyInput = exampleModal\.querySelector\(\u0027\.modal\-body input\u0027\)\n\n modalTitle\.textContent = `New message to \$\{recipient\}`\n modalBodyInput\.value = recipient\n \}\)\n \}\n\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ Offcanvas\n \/\/ \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\n \/\/ \u0027Offcanvas components\u0027 example in docs only\n const myOffcanvas = document\.querySelectorAll\(\u0027\.bd\-example\-offcanvas \.offcanvas\u0027\)\n if \(myOffcanvas\) \{\n myOffcanvas\.forEach\(offcanvas =\u003e \{\n offcanvas\.addEventListener\(\u0027show\.bs\.offcanvas\u0027, event =\u003e \{\n event\.preventDefault\(\)\n \}, false\)\n \}\)\n \}\n\}\)\(\)\n' : null const project = { files: { 'index.html': markup, 'index.js': jsSnippetContent }, title: 'Bootstrap Example', description: `Official example from ${window.location.href}`, template: jsSnippet ? 'javascript' : 'html', tags: ['bootstrap'] } StackBlitzSDK.openProject(project, { openFile: 'index.html' }) }

	
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