bootstrap

レスポンシブでモバイルファーストなプロジェクトを開発するための最も人気のあるフロントエンドフレームワークです。

Latest Ver 5.3.3

Homepage

Github

172,256

📢 BootstrapはHTML、CSS、JSコンポーネントを使用してウェブサイトやウェブアプリケーションの開発を容易にするオープンソースツールキットです。

CDNダウンロード

License: MIT

Asset Type :

すべてのバージョンを見る

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.bundle.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.bundle.min.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.esm.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.esm.min.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.min.js

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.rtl.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.rtl.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.rtl.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.rtl.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.rtl.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.rtl.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.rtl.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.rtl.min.css

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.rtl.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.rtl.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.rtl.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-reboot.rtl.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.rtl.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-utilities.rtl.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.rtl.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap.rtl.min.css.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.bundle.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.bundle.min.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.esm.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.esm.min.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.min.js.map

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_accordion.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_alert.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_badge.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_breadcrumb.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_button-group.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_buttons.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_card.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_carousel.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_close.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_containers.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_dropdown.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_forms.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_functions.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_grid.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_helpers.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_images.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_list-group.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_maps.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_mixins.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_modal.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_nav.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_navbar.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_offcanvas.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_pagination.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_placeholders.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_popover.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_progress.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_reboot.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_root.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_spinners.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_tables.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_toasts.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_tooltip.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_transitions.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_type.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_utilities.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_variables-dark.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/_variables.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/bootstrap-grid.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/bootstrap-reboot.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/bootstrap-utilities.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/bootstrap.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_floating-labels.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_form-check.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_form-control.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_form-range.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_form-select.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_form-text.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_input-group.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_labels.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/forms/_validation.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_clearfix.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_color-bg.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_colored-links.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_focus-ring.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_icon-link.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_position.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_ratio.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_stacks.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_stretched-link.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_text-truncation.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_visually-hidden.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/helpers/_vr.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_alert.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_backdrop.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_banner.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_border-radius.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_box-shadow.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_breakpoints.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_buttons.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_caret.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_clearfix.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_color-mode.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_color-scheme.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_container.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_deprecate.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_forms.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_gradients.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_grid.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_image.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_list-group.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_lists.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_pagination.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_reset-text.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_resize.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_table-variants.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_text-truncate.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_transition.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_utilities.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/mixins/_visually-hidden.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/utilities/_api.scss

https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/scss/vendor/_rfs.scss

Sample Code

⚠️ import 文を含む一部のコードは、jsFiddleで正しく実行されない場合があります。エラーが発生した場合は、コードをコピーしてご自身の環境でお試しください。

📄 HTML
<div class="container mt-3">
<div class="row">
<div class="col-sm-4">
<h1>Welcome to Bootstrap</h1>
<p>This is a simple hero unit, a simple jumbotron-style component for calling extra attention.</p>
<a class="btn btn-primary" href="#">Learn more</a>
</div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>

🎨 External CSS
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">

🧩 External JS
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>