2025-05-06 03:35:05 +08:00
<!DOCTYPE html> < html lang = "en" data-bs-theme = "auto" > < head > < meta charset = "UTF-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1" > < meta name = "description" content = "Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins." > < meta name = "author" content = "Mark Otto, Jacob Thornton, and Bootstrap contributors" > < meta name = "generator" content = "Astro v5.7.10" > < meta name = "docsearch:language" content = "en" > < meta name = "docsearch:version" content = "5.3" > < link rel = "canonical" href = "https://getbootstrap.com/404/" > < link rel = "preconnect" href = "https://AK7KMZKZHQ-dsn.algolia.net" crossorigin > < title > 404 - File not found · Bootstrap v5.3< / title > < meta name = "robots" content = "noindex,follow" > < script src = "/docs/5.3/assets/js/color-modes.js" > < / script > < link href = "/docs/5.3/dist/css/bootstrap.min.css" rel = "stylesheet" integrity = "sha384-4Q6Gf2aSP4eDXB8Miphtr37CMZZQ5oXLH2yaXMJ2w8e2ZtHTl7GptT4jmndRuHDT" > < link rel = "apple-touch-icon" href = "/docs/5.3/assets/img/favicons/apple-touch-icon.png" sizes = "180x180" > < link rel = "icon" href = "/docs/5.3/assets/img/favicons/favicon-32x32.png" sizes = "32x32" type = "image/png" > < link rel = "icon" href = "/docs/5.3/assets/img/favicons/favicon-16x16.png" sizes = "16x16" type = "image/png" > < link rel = "manifest" href = "/docs/5.3/assets/img/favicons/manifest.json" > < link rel = "mask-icon" href = "/docs/5.3/assets/img/favicons/safari-pinned-tab.svg" color = "#712cf9" > < link rel = "icon" href = "/docs/5.3/assets/img/favicons/favicon.ico" > < meta name = "theme-color" content = "#712cf9" > < meta name = "twitter:card" content = "summary_large_image" > < meta name = "twitter:site" content = "@getbootstrap" > < meta name = "twitter:creator" content = "@getbootstrap" > < meta property = "og:url" content = "https://getbootstrap.com/404/" > < meta property = "og:title" content = "404 - File not found" > < meta property = "og:description" content = "Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins." > < meta property = "og:type" content = "website" > < meta property = "og:image" content = "https://getbootstrap.com/docs/5.3/assets/brand/bootstrap-social.png" > < meta property = "og:image:type" content = "image/png" > < meta property = "og:image:width" content = "2000" > < meta property = "og:image:height" content = "1000" > < script defer src = "https://cdn.usefathom.com/script.js" data-site = "ITUSEYJG" > < / script > < link rel = "stylesheet" href = "/docs/5.3/assets/_slug_.C9dNs6d9.css" > < / head > < body class = "d-flex flex-column min-vh-100" > < div class = "skippy visually-hidden-focusable overflow-hidden" > < div class = "container-xl" > < a class = "d-inline-flex p-2 m-1" href = "#content" > Skip to main content< / a > < / div > < / div > < svg xmlns = "http://www.w3.org/2000/svg" class = "d-none" > < symbol id = "arrow-right" viewBox = "0 0 16 16" > < path fill-rule = "evenodd" d = "M1 8a.5.5 0 0 1 .5-.5h11.793l-3.147-3.146a.5.5 0 0 1 .708-.708l4 4a.5.5 0 0 1 0 .708l-4 4a.5.5 0 0 1-.708-.708L13.293 8.5H1.5A.5.5 0 0 1 1 8z" > < / path > < / symbol > < symbol id = "arrow-right-short" viewBox = "0 0 16 16" > < path fill-rule = "evenodd" d = "M4 8a.5.5 0 0 1 .5-.5h5.793L8.146 5.354a.5.5 0 1 1 .708-.708l3 3a.5.5 0 0 1 0 .708l-3 3a.5.5 0 0 1-.708-.708L10.293 8.5H4.5A.5.5 0 0 1 4 8" > < / path > < / symbol > < symbol id = "book-half" viewBox = "0 0 16 16" > < path d = "M8.5 2.687c.654-.689 1.782-.886 3.112-.752 1.234.124 2.503.523 3.388.893v9.923c-.918-.35-2.107-.692-3.287-.81-1.094-.111-2.278-.039-3.213.492V2.687zM8 1.783C7.015.936 5.587.81 4.287.94c-1.514.153-3.042.672-3.994 1.105A.5.5 0 0 0 0 2.5v11a.5.5 0 0 0 .707.455c.882-.4 2.303-.881 3.68-1.02 1.409-.142 2.59.087 3.223.877a.5.5 0 0 0 .78 0c.633-.79 1.814-1.019 3.222-.877 1.378.139 2.8.62 3.681 1.02A.5.5 0 0 0 16 13.5v-11a.5.5 0 0 0-.293-.455c-.952-.433-2.48-.952-3.994-1.105C10.413.809 8.985.936 8 1.783z" > < / path > < / symbol > < symbol id = "box-seam" viewBox = "0 0 16 16" > < path d = "M8.186 1 . 113a . 5 . 5 0 0 0- . 372 0L1 . 846 3 . 5l2 . 404 . 961L10 . 404 2l-2 . 218- . 887zm3 . 564 1 . 426L5 . 596 5 8 5 . 961 14 . 154 3 . 5l
Docs
< / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2" href = "/docs/5.3/examples/" > Examples < / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2" href = "https://icons.getbootstrap.com/" target = "_blank" rel = "noopener" > Icons < / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2" href = "https://themes.getbootstrap.com/" target = "_blank" rel = "noopener" > Themes < / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2" href = "https://blog.getbootstrap.com/" target = "_blank" rel = "noopener" > Blog < / a > < / li > < / ul > < hr class = "d-lg-none text-white-50" > < ul class = "navbar-nav flex-row flex-wrap ms-md-auto" > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2 nav-link py-2 px-0 px-lg-2" href = "https://github.com/twbs" target = "_blank" rel = "noopener" > < svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 512 499.36" role = "img" class = "navbar-nav-svg" height = "16" width = "16" > < 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" > < / path > < / svg > < small class = "d-lg-none ms-2" > GitHub< / small > < / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2 nav-link py-2 px-0 px-lg-2" href = "https://x.com/getbootstrap" target = "_blank" rel = "noopener" > < svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 1200 1227" role = "img" class = "navbar-nav-svg" height = "16" width = "16" > < title > X< / title > < path fill = "currentColor" d = "M714.163 519.284 1160.89 0h-105.86L667.137 450.887 357.328 0H0l468.492 681.821L0 1226.37h105.866l409.625-476.152 327.181 476.152H1200L714.137 519.284h.026ZM569.165 687.828l-47.468-67.894-377.686-540.24h162.604l304.797 435.991 47.468 67.894 396.2 566.721H892.476L569.165 687.854v-.026Z" > < / path > < / svg > < small class = "d-lg-none ms-2" > X< / small > < / a > < / li > < li class = "nav-item col-6 col-lg-auto" > < a class = "nav-link py-2 px-0 px-lg-2 nav-link py-2 px-0 px-lg-2" href = "https://opencollective.com/bootstrap" target = "_blank" rel = "noopener" > < svg xmlns = "http://www.w3.org/2000/svg" fill = "currentColor" fill-rule = "evenodd" viewBox = "0 0 40 41" role = "img" class = "navbar-nav-svg" height = "16" width = "16" > < 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 > < 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" > < / path > < / svg > < small class = "d-lg-none ms-2" > Open Collective< / small > < / a > < / li > < li class = "nav-item py-2 py-lg-1 col-12 col-lg-auto" > < div class = "vr d-none d-lg-flex h-100 mx-lg-2 text-white" > < / div > < hr class = "d-lg-none my-2 text-white-50" > < / li > < li class = "nav-item dropdown" > < button type = "button" class = "btn btn-link nav-link py-2 px-0 px-lg-2 dropdown-toggle" data-bs-toggle = "dropdown" aria-expanded = "false" data-bs-display = "static" > < span class = "d-lg-none" aria-hidden = "true" > Bootstrap< / span > < span class = "visually-hidden" > Bootstrap < / span > v5.3 < span class = "visually-hidden" > (switch to other versions)< / span > < / button > < ul class = "dropdown-menu dropdown-menu-end" > < li > < h6 class = "dropdown-header" > v5 releases< / h6 > < / li > < li > < a class = "dropdown-item d-flex align-items-center justify-content-between active" aria-current = "true" href = "/do
Latest (5.3.x)
< svg class = "bi" aria-hidden = "true" > < use xlink:href = "#check2" > < / use > < / svg > < / a > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/docs/5.2/" >
v5.2.3
< / a > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/docs/5.1/" >
v5.1.3
< / a > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/docs/5.0/" >
v5.0.2
< / a > < / li > < li > < hr class = "dropdown-divider" > < / li > < li > < h6 class = "dropdown-header" > Previous releases< / h6 > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/docs/4.6/" > v4.6.x< / a > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/docs/3.4/" > v3.4.1< / a > < / li > < li > < a class = "dropdown-item" href = "https://getbootstrap.com/2.3.2/" > v2.3.2< / a > < / li > < li > < hr class = "dropdown-divider" > < / li > < li > < a class = "dropdown-item" href = "/docs/versions/" > All versions< / a > < / li > < / ul > < / li > < li class = "nav-item py-2 py-lg-1 col-12 col-lg-auto" > < div class = "vr d-none d-lg-flex h-100 mx-lg-2 text-white" > < / div > < hr class = "d-lg-none my-2 text-white-50" > < / li > < li class = "nav-item dropdown" > < button class = "btn btn-link nav-link px-0 px-lg-2 py-2 dropdown-toggle d-flex align-items-center" id = "bd-theme" type = "button" aria-expanded = "false" data-bs-toggle = "dropdown" data-bs-display = "static" aria-label = "Toggle theme (auto)" > < svg class = "bi my-1 theme-icon-active" aria-hidden = "true" > < use href = "#circle-half" > < / use > < / svg > < span class = "d-lg-none ms-2" id = "bd-theme-text" > Toggle theme< / span > < / button > < ul class = "dropdown-menu dropdown-menu-end" aria-labelledby = "bd-theme-text" > < li > < button type = "button" class = "dropdown-item d-flex align-items-center" data-bs-theme-value = "light" aria-pressed = "false" > < svg class = "bi me-2 opacity-50" aria-hidden = "true" > < use href = "#sun-fill" > < / use > < / svg >
Light
< svg class = "bi ms-auto d-none" aria-hidden = "true" > < use href = "#check2" > < / use > < / svg > < / button > < / li > < li > < button type = "button" class = "dropdown-item d-flex align-items-center" data-bs-theme-value = "dark" aria-pressed = "false" > < svg class = "bi me-2 opacity-50" aria-hidden = "true" > < use href = "#moon-stars-fill" > < / use > < / svg >
Dark
< svg class = "bi ms-auto d-none" aria-hidden = "true" > < use href = "#check2" > < / use > < / svg > < / button > < / li > < li > < button type = "button" class = "dropdown-item d-flex align-items-center active" data-bs-theme-value = "auto" aria-pressed = "true" > < svg class = "bi me-2 opacity-50" aria-hidden = "true" > < use href = "#circle-half" > < / use > < / svg >
Auto
< svg class = "bi ms-auto d-none" aria-hidden = "true" > < use href = "#check2" > < / use > < / svg > < / button > < / li > < / ul > < / li > < / ul > < / div > < / div > < / nav > < / header > < main class = "my-auto p-5" id = "content" > < div class = "text-center py-5" > < h1 class = "display-1" > 404< / h1 > < h2 > File not found< / h2 > < / div > < / main > < footer class = "bd-footer py-4 py-md-5 mt-5 bg-body-tertiary" > < div class = "container py-4 py-md-5 px-4 px-md-3 text-body-secondary" > < div class = "row" > < div class = "col-lg-3 mb-3" > < a class = "d-inline-flex align-items-center mb-2 text-body-emphasis text-decoration-none" href = "/" aria-label = "Bootstrap" > < svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 118 94" role = "img" class = "d-block me-2" height = "32" width = "40" > < title > Bootstrap< / title > < path fill-rule = "evenodd" clip-rule = "evenodd" d = "M24.509 0c-6.733 0-11.715 5.893-11.492 12.284.214 6.14-.064 14.092-2.066 20.577C8.943 39.365 5.547 43.485 0 44.014v5.972c5.547.529 8.943 4.649 10.951 11.153 2.002 6.485 2.28 14.437 2.066 20.577C12.794 88.106 17.776 94 24.51 94H93.5c6.733 0 11.714-5.893 11.491-12.284-.214-6.14.064-14.092 2.066-20.577 2.009-6.504 5.396-10.624 10.943-11.153v-5.972c-5.547-.529-8.934-4.649-10.943-11.153-2.002-6.484-2.28-14.437-2.066-20.577C105.214 5.894 100.233 0 93.5 0H24.508zM80 57.863C80 66.663 73.436 72 62.543 72H44a2 2 0 01-2-2V24a2 2 0 012-2h18.437c9.083 0 15.044 4.92 15.044 12.474 0 5.302-4.01 10.049-9.119 10.88v.277C75.317 46.394 80 51.21 80 57.863zM60.521 28.34H49.948v14.934h8.905c6.884 0 10.68-2.772 10.68-7.727 0-4.643-3.264-7.207-9.012-7.207zM49.948 49.2v16.458H60.91c7.167 0 10.964-2.876 10.964-8.281 0-5.406-3.903-8.178-11.425-8.178H49.948z" fill = "currentColor" > < / path > < / svg > < span class = "fs-5" > Bootstrap< / span > < / a > < ul class = "list-unstyled small" > < li class = "mb-2" >
Designed and built with all the love in the world by the < a href = "/docs/5.3/about/team" > Bootstrap team< / a > with the help of < a href = "https://github.com/twbs/bootstrap/graphs/contributors" > our contributors< / a > .
< / li > < li class = "mb-2" >
Code licensed < a href = "https://github.com/twbs/bootstrap/blob/main/LICENSE" target = "_blank" rel = "license noopener" > MIT< / a > , docs < a href = "https://creativecommons.org/licenses/by/3.0/" target = "_blank" rel = "license noopener" > CC BY 3.0< / a > .
< / li > < li class = "mb-2" > Currently v5.3.6.< / li > < / ul > < / div > < div class = "col-6 col-lg-2 offset-lg-1 mb-3" > < h5 > Links< / h5 > < ul class = "list-unstyled" > < li class = "mb-2" > < a href = "/" > Home< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/" > Docs< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/examples" > Examples< / a > < / li > < li class = "mb-2" > < a href = "https://icons.getbootstrap.com/" > Icons< / a > < / li > < li class = "mb-2" > < a href = "https://themes.getbootstrap.com/" > Themes< / a > < / li > < li class = "mb-2" > < a href = "https://blog.getbootstrap.com/" > Blog< / a > < / li > < li class = "mb-2" > < a href = "https://cottonbureau.com/people/bootstrap" target = "_blank" rel = "noopener" > Swag Store< / a > < / li > < / ul > < / div > < div class = "col-6 col-lg-2 mb-3" > < h5 > Guides< / h5 > < ul class = "list-unstyled" > < li class = "mb-2" > < a href = "/docs/5.3/getting-started" > Getting started< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/examples/starter-template" > Starter template< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/getting-started/webpack" > Webpack< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/getting-started/parcel" > Parcel< / a > < / li > < li class = "mb-2" > < a href = "/docs/5.3/getting-started/vite" > Vite< / a > < / li > < / ul > < / div > < div class = "col-6 col-lg-2 mb-3" > < h5 > Projects< / h5 > < ul class = "list-unstyled" > < li class = "mb-2" > < a href = "https://github.com/twbs/bootstrap" target = "_blank" rel = "noopener" > Bootstrap 5< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/twbs/bootstrap/tree/v4-dev" target = "_blank" rel = "noopener" > Bootstrap 4< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/twbs/icons" target = "_blank" rel = "noopener" > Icons< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/twbs/rfs" target = "_blank" rel = "noopener" > RFS< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/twbs/examples" target = "_blank" rel = "noopener" > Examples repo< / a > < / li > < / ul > < / div > < div class = "col-6 col-lg-2 mb-3" > < h5 > Community< / h5 > < ul class = "list-unstyled" > < li class = "mb-2" > < a href = "https://github.com/twbs/bootstrap/issues" target = "_blank" rel = "noopener" > Issues< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/twbs/bootstrap/discussions" target = "_blank" rel = "noopener" > Discussions< / a > < / li > < li class = "mb-2" > < a href = "https://github.com/sponsors/twbs" target = "_blank" rel = "noopener" > Corporate sponsors< / a > < / li > < li class = "mb-2" > < a href = "https://opencollective.com/bootstrap" target = "_blank" rel = "noopener" > Open Collective< / a > < / li > < li class = "mb-2" > < a href = "https://stackoverflow.com/questions/tagged/bootstrap-5" target = "_blank" rel = "noopener" > Stack Overflow< / a > < / li > < / ul > < / div > < / div > < / div > < / footer > < script src = "/docs/5.3/dist/js/bootstrap.bundle.min.js" integrity = "sha384-j1CDi7MgGQ12Z7Qab0qlWQ/Qqz24Gc6BM0thvEMVjHnfYGF0rmFCozFSxQBxwHKO" > < / script > < script type = "module" src = "/docs/5.3/assets/Scripts.astro_astro_type_script_index_0_lang.B_5zZg_p.js" > < / script > < script type = "module" src = "/docs/5.3/assets/Scripts.astro_astro_type_script_index_1_lang.CAqD2hc_.js" > < / script > < / body > < / html >
