install bootstrap via composer

9 files changed, 839 insertions, 0 deletions

diff --git a/vendor/twbs/bootstrap/site/_data/breakpoints.yml b/vendor/twbs/bootstrap/site/_data/breakpoints.yml
new file mode 100644
index 000000000..3c8cfe293
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/breakpoints.yml
@@ -0,0 +1,29 @@
+- breakpoint: xs
+  abbr: ""
+  name: Extra small
+  min-width: 0px
+  container: ""
+
+- breakpoint: sm
+  abbr: -sm
+  name: Small
+  min-width: 576px
+  container: 540px
+
+- breakpoint: md
+  abbr: -md
+  name: Medium
+  min-width: 768px
+  container: 720px
+
+- breakpoint: lg
+  abbr: -lg
+  name: Large
+  min-width: 992px
+  container: 960px
+
+- breakpoint: xl
+  abbr: -xl
+  name: Extra large
+  min-width: 1200px
+  container: 1140px
diff --git a/vendor/twbs/bootstrap/site/_data/browser-bugs.yml b/vendor/twbs/bootstrap/site/_data/browser-bugs.yml
new file mode 100644
index 000000000..ceb2e5f5f
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/browser-bugs.yml
@@ -0,0 +1,451 @@
+-
+  browser: >
+    Edge
+  summary: >
+    Visual artifacts in scrollable modal dialogs
+  upstream_bug: >
+    Edge#9011176
+  origin: >
+    Bootstrap#20755
+
+-
+  browser: >
+    Edge
+  summary: >
+    Native browser tooltip for `title` shows on first keyboard focus (in addition to custom tooltip component)
+  upstream_bug: >
+    Edge#6793560
+  origin: >
+    Bootstrap#18692
+
+-
+  browser: >
+    Edge
+  summary: >
+    Hovered element still remains in `:hover` state after scrolling away.
+  upstream_bug: >
+    Edge#5381673
+  origin: >
+    Bootstrap#14211
+
+-
+  browser: >
+    Edge
+  summary: >
+    CSS `border-radius` sometimes causes lines of bleed-through of the `background-color` of the parent element.
+  upstream_bug: >
+    Edge#3342037
+  origin: >
+    Bootstrap#16671
+
+-
+  browser: >
+    Edge
+  summary: >
+    `background` of `<tr>` is only applied to first child cell instead of all cells in the row
+  upstream_bug: >
+    Edge#5865620
+  origin: >
+    Bootstrap#18504
+
+-
+  browser: >
+    Edge
+  summary: >
+    `@-ms-viewport{width: device-width;}` has side-effect of making scrollbars auto-hide
+  upstream_bug: >
+    Edge#7165383
+  origin: >
+    Bootstrap#18543
+
+-
+  browser: >
+    Edge
+  summary: >
+    Background color from lower layer bleeds through transparent border in some cases
+  upstream_bug: >
+    Edge#6274505
+  origin: >
+    Bootstrap#18228
+
+-
+  browser: >
+    Edge
+  summary: >
+    Hovering over descendant SVG element fires `mouseleave` event at ancestor
+  upstream_bug: >
+    Edge#7787318
+  origin: >
+    Bootstrap#19670
+
+-
+  browser: >
+    Edge
+  summary: >
+    Active `position: fixed;` `<button>` flickers when scrolling
+  upstream_bug: >
+    Edge#8770398
+  origin: >
+    Bootstrap#20507
+
+-
+  browser: >
+    Firefox
+  summary: >
+    `.table-bordered` with an empty `<tbody>` is missing borders.
+  upstream_bug: >
+    Mozilla#1023761
+  origin: >
+    Bootstrap#13453
+
+-
+  browser: >
+    Firefox
+  summary: >
+    If the disabled state of a form control is changed via JavaScript, the normal state doesn't return after refreshing the page.
+  upstream_bug: >
+    Mozilla#654072
+  origin: >
+    Bootstrap#793
+
+-
+  browser: >
+    Firefox
+  summary: >
+    `focus` events should not be fired at the `document` object
+  upstream_bug: >
+    Mozilla#1228802
+  origin: >
+    Bootstrap#18365
+
+-
+  browser: >
+    Firefox
+  summary: >
+    Wide floated table doesn't wrap onto new line
+  upstream_bug: >
+    Mozilla#1277782
+  origin: >
+    Bootstrap#19839
+
+-
+  browser: >
+    Firefox
+  summary: >
+    Mouse sometimes not within element for purposes of `mouseenter`/`mouseleave` when it's within SVG elements
+  upstream_bug: >
+    Mozilla#577785
+  origin: >
+    Bootstrap#19670
+
+-
+  browser: >
+    Firefox
+  summary: >
+    Layout with floated columns breaks when printing
+  upstream_bug: >
+    Mozilla#1315994
+  origin: >
+    Bootstrap#21092
+
+-
+  browser: >
+    Firefox (Windows)
+  summary: >
+    Right border of `<select>` menu is sometimes missing when screen is set to uncommon resolution
+  upstream_bug: >
+    Mozilla#545685
+  origin: >
+    Bootstrap#15990
+
+-
+  browser: >
+    Firefox (macOS & Linux)
+  summary: >
+    Badge widget causes bottom border of Tabs widget to unexpectedly not overlap
+  upstream_bug: >
+    Mozilla#1259972
+  origin: >
+    Bootstrap#19626
+
+-
+  browser: >
+    Chrome (Android)
+  summary: >
+    Tapping on an `<input>` in a scrollable overlay doesn't scroll the `<input>` into view
+  upstream_bug: >
+    Chromium#595210
+  origin: >
+    Bootstrap#17338
+
+-
+  browser: >
+    Chrome (macOS)
+  summary: >
+    Clicking above `<input type="number">` increment button flashes the decrement button.
+  upstream_bug: >
+    Chromium#419108
+  origin: >
+    Offshoot of Bootstrap#8350 & Chromium#337668
+
+-
+  browser: >
+    Chrome
+  summary: >
+    CSS infinite linear animation with alpha transparency leaks memory.
+  upstream_bug: >
+    Chromium#429375
+  origin: >
+    Bootstrap#14409
+
+-
+  browser: >
+    Chrome
+  summary: >
+    `table-cell` borders not overlapping despite `margin-right: -1px`
+  upstream_bug: >
+    Chromium#749848
+  origin: >
+    Bootstrap#17438, Bootstrap#14237
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Clicking scrollbar in `<select multiple>` with overflowed options will select nearby `<option>`
+  upstream_bug: >
+    Chromium#597642
+  origin: >
+    Bootstrap#19810
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Don't make `:hover` sticky on touch-friendly webpages
+  upstream_bug: >
+    Chromium#370155
+  origin: >
+    Bootstrap#12832
+
+-
+  browser: >
+    Chrome
+  summary: >
+    `position: absolute` element that's wider than its column is incorrectly clipped to column boundary
+  upstream_bug: >
+    Chromium#269061
+  origin: >
+    Bootstrap#20161
+
+-
+  browser: >
+    Chrome (Windows & Linux)
+  summary: >
+    Animation glitch when returning to inactive tab after animations occurred while tab was hidden.
+  upstream_bug: >
+    Chromium#449180
+  origin: >
+    Bootstrap#15298
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Significant performance hit for dynamic SVGs with text depending on the number of fonts in `font-family`.
+  upstream_bug: >
+    Chromium#781344
+  origin: >
+    Bootstrap#24673
+
+-
+  browser: >
+    Safari
+  summary: >
+    `rem` units in media queries should be calculated using `font-size: initial`, not the root element's `font-size`
+  upstream_bug: >
+    WebKit#156684
+  origin: >
+    Bootstrap#17403
+
+-
+  browser: >
+    Safari
+  summary: >
+    Link to container with id and tabindex results in container being ignored by VoiceOver (affects skip links)
+  upstream_bug: >
+    WebKit#163658
+  origin: >
+    Bootstrap#20732
+
+-
+  browser: >
+    Safari
+  summary: >
+    CSS `min-width` and `max-width` media features should not round fractional pixel
+  upstream_bug: >
+    WebKit#178261
+  origin: >
+    Bootstrap#25166
+
+-
+  browser: >
+    Safari (macOS)
+  summary: >
+    `px`, `em`, and `rem` should all behave the same in media queries when page zoom is applied
+  upstream_bug: >
+    WebKit#156687
+  origin: >
+    Bootstrap#17403
+
+-
+  browser: >
+    Safari (macOS)
+  summary: >
+    Weird button behavior with some `<input type="number">` elements.
+  upstream_bug: >
+    WebKit#137269, Safari#18834768
+  origin: >
+    Bootstrap#8350,
+    Normalize#283,
+    Chromium#337668
+
+-
+  browser: >
+    Safari (macOS)
+  summary: >
+    Small font size when printing webpage with fixed-width `.container`.
+  upstream_bug: >
+    WebKit#138192, Safari#19435018
+  origin: >
+    Bootstrap#14868
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    `transform: translate3d(0,0,0);` rendering bug.
+  upstream_bug: >
+    WebKit#138162, Safari#18804973
+  origin: >
+    Bootstrap#14603
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Text input's cursor doesn't move while scrolling the page.
+  upstream_bug: >
+    WebKit#138201, Safari#18819624
+  origin: >
+    Bootstrap#14708
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Can't move cursor to start of text after entering long string of text into `<input type="text">`
+  upstream_bug: >
+    WebKit#148061, Safari#22299624
+  origin: >
+    Bootstrap#16988
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    `display: block` causes text of temporal `<input>`s to become vertically misaligned
+  upstream_bug: >
+    WebKit#139848, Safari#19434878
+  origin: >
+    Bootstrap#11266, Bootstrap#13098
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Tapping on `<body>` doesn't fire `click` events
+  upstream_bug: >
+    WebKit#151933
+  origin: >
+    Bootstrap#16028
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    `position:fixed` is incorrectly positioned when tab bar is visible on iPhone 6S+ Safari
+  upstream_bug: >
+    WebKit#153056
+  origin: >
+    Bootstrap#18859
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Tapping into an `<input>` within a `position:fixed` element scrolls to the top of the page
+  upstream_bug: >
+    WebKit#153224, Safari#24235301
+  origin: >
+    Bootstrap#17497
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    `<body>` with `overflow:hidden` CSS is scrollable on iOS
+  upstream_bug: >
+    WebKit#153852
+  origin: >
+    Bootstrap#14839
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Scroll gesture in text field in `position:fixed` element sometimes scrolls `<body>` instead of scrollable ancestor
+  upstream_bug: >
+    WebKit#153856
+  origin: >
+    Bootstrap#14839
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Modal with `-webkit-overflow-scrolling: touch` doesn't become scrollable after added text makes it taller
+  upstream_bug: >
+    WebKit#158342
+  origin: >
+    Bootstrap#17695
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Don't make `:hover` sticky on touch-friendly webpages
+  upstream_bug: >
+    WebKit#158517
+  origin: >
+    Bootstrap#12832
+
+-
+  browser: >
+    Safari (iOS)
+  summary: >
+    Element which is `position:fixed` disappears after opening a `<select>` menu
+  upstream_bug: >
+    WebKit#162362
+  origin: >
+    Bootstrap#20759
+
+-
+  browser: >
+    Safari (iPad Pro)
+  summary: >
+    Rendering of descendants of `position: fixed` element gets clipped on iPad Pro in Landscape orientation
+  upstream_bug: >
+    WebKit#152637, Safari#24030853
+  origin: >
+    Bootstrap#18738
diff --git a/vendor/twbs/bootstrap/site/_data/browser-features.yml b/vendor/twbs/bootstrap/site/_data/browser-features.yml
new file mode 100644
index 000000000..6c8701f68
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/browser-features.yml
@@ -0,0 +1,139 @@
+-
+  browser: >
+    Edge
+  summary: >
+    Focusable elements should fire focus event / receive :focus styling when they receive Narrator/accessibility focus
+  upstream_bug: >
+    A11yUserVoice#16717318
+  origin: >
+    Bootstrap#20732
+
+-
+  browser: >
+    Edge
+  summary: >
+    Implement the [`:dir()` pseudo-class](https://developer.mozilla.org/en-US/docs/Web/CSS/:dir) from Selectors Level 4
+  upstream_bug: >
+    UserVoice#12299532
+  origin: >
+    Bootstrap#19984
+
+-
+  browser: >
+    Edge
+  summary: >
+    Implement the HTML5 [`<dialog>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dialog)
+  upstream_bug: >
+    UserVoice#6508895
+  origin: >
+    Bootstrap#20175
+
+-
+  browser: >
+    Edge
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    UserVoice#15939898
+  origin: >
+    Bootstrap#20618
+
+-
+  browser: >
+    Edge
+  summary: >
+    Implement the [`of <selector-list>` clause](https://caniuse.com/#feat=css-nth-child-of) of the `:nth-child()` pseudo-class
+  upstream_bug: >
+    UserVoice#15944476
+  origin: >
+    Bootstrap#20143
+
+-
+  browser: >
+    Firefox
+  summary: >
+    Implement the [`of <selector-list>` clause](https://caniuse.com/#feat=css-nth-child-of) of the `:nth-child()` pseudo-class
+  upstream_bug: >
+    Mozilla#854148
+  origin: >
+    Bootstrap#20143
+
+-
+  browser: >
+    Firefox
+  summary: >
+    Implement the HTML5 [`<dialog>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dialog)
+  upstream_bug: >
+    Mozilla#840640
+  origin: >
+    Bootstrap#20175
+
+-
+  browser: >
+    Firefox
+  summary: >
+    When virtual focus is on a button or link, fire actual focus on the element, too
+  upstream_bug: >
+    Mozilla#1000082
+  origin: >
+    Bootstrap#20732
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    Chromium#642487
+  origin: >
+    Chromium#437860
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Implement the [`of <selector-list>` clause](https://caniuse.com/#feat=css-nth-child-of) of the `:nth-child()` pseudo-class
+  upstream_bug: >
+    Chromium#304163
+  origin: >
+    Bootstrap#20143
+
+-
+  browser: >
+    Chrome
+  summary: >
+    Implement the [`:dir()` pseudo-class](https://developer.mozilla.org/en-US/docs/Web/CSS/:dir) from Selectors Level 4
+  upstream_bug: >
+    Chromium#576815
+  origin: >
+    Bootstrap#19984
+
+-
+  browser: >
+    Safari
+  summary: >
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+  upstream_bug: >
+    WebKit#161535
+  origin: >
+    Bootstrap#20618
+
+-
+  browser: >
+    Safari
+  summary: >
+    Implement the [`:dir()` pseudo-class](https://developer.mozilla.org/en-US/docs/Web/CSS/:dir) from Selectors Level 4
+  upstream_bug: >
+    WebKit#64861
+  origin: >
+    Bootstrap#19984
+
+-
+  browser: >
+    Safari
+  summary: >
+    Implement the HTML5 [`<dialog>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dialog)
+  upstream_bug: >
+    WebKit#84635
+  origin: >
+    Bootstrap#20175
diff --git a/vendor/twbs/bootstrap/site/_data/colors.yml b/vendor/twbs/bootstrap/site/_data/colors.yml
new file mode 100644
index 000000000..202270cdc
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/colors.yml
@@ -0,0 +1,26 @@
+- name: blue
+  hex: "#007bff"
+- name: indigo
+  hex: "#6610f2"
+- name: purple
+  hex: "#6f42c1"
+- name: pink
+  hex: "#e83e8c"
+- name: red
+  hex: "#dc3545"
+- name: orange
+  hex: "#fd7e14"
+- name: yellow
+  hex: "#ffc107"
+- name: green
+  hex: "#28a745"
+- name: teal
+  hex: "#20c997"
+- name: cyan
+  hex: "#17a2b8"
+- name: white
+  hex: "#fff"
+- name: gray
+  hex: "#868e96"
+- name: gray-dark
+  hex: "#343a40"
diff --git a/vendor/twbs/bootstrap/site/_data/examples.yml b/vendor/twbs/bootstrap/site/_data/examples.yml
new file mode 100644
index 000000000..673fde40b
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/examples.yml
@@ -0,0 +1,55 @@
+- category: Custom components
+  description: "Brand new components and templates to help folks quickly get started with Bootstrap and demonstrate best practices for adding onto the framework."
+  examples:
+    - name: Album
+      description: "Simple one-page template for photo galleries, portfolios, and more."
+    - name: Pricing
+      description: "Example pricing page built with Cards and featuring a custom header and footer."
+    - name: Checkout
+      description: "Custom checkout form showing our form components and their validation features."
+    - name: Product
+      description: "Lean product-focused marketing page with extensive grid and image work."
+    - name: Cover
+      description: "A one-page template for building simple and beautiful home pages."
+    - name: Carousel
+      description: "Customize the navbar and carousel, then add some new components."
+    - name: Blog
+      description: "Magazine like blog template with header, navigation, featured content."
+    - name: Dashboard
+      description: "Basic admin dashboard shell with fixed sidebar and navbar."
+    - name: Sign-in
+      description: "Custom form layout and design for a simple sign in form."
+    - name: Sticky footer
+      description: "Attach a footer to the bottom of the viewport when page content is short."
+    - name: Sticky footer navbar
+      description: "Attach a footer to the bottom of the viewport with a fixed top navbar."
+
+- category: Framework
+  description: "Examples that focus on implementing uses of built-in components provided by Bootstrap."
+  examples:
+    - name: "Starter template"
+      description: "Nothing but the basics: compiled CSS and JavaScript."
+    - name: Grid
+      description: "Multiple examples of grid layouts with all four tiers, nesting, and more."
+    - name: Jumbotron
+      description: "Build around the jumbotron with a navbar and some basic grid columns."
+
+- category: Navbars
+  description: "Taking the default navbar component and showing how it can be moved, placed, and extended."
+  examples:
+    - name: Navbars
+      description: "Demonstration of all responsive and container options for the navbar."
+    - name: Navbar static
+      description: "Single navbar example of a static top navbar along with some additional content."
+    - name: Navbar fixed
+      description: "Single navbar example with a fixed top navbar along with some additional content."
+    - name: Navbar bottom
+      description: "Single navbar example with a bottom navbar along with some additional content."
+
+- category: Experiments
+  description: "Examples that focus on future-friendly features or techniques."
+  examples:
+    - name: Floating labels
+      description: "Beautifully simple forms with floating labels over your inputs."
+    - name: Offcanvas
+      description: "Turn your expandable navbar into a sliding offcanvas menu."
diff --git a/vendor/twbs/bootstrap/site/_data/grays.yml b/vendor/twbs/bootstrap/site/_data/grays.yml
new file mode 100644
index 000000000..d6e50f9e1
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/grays.yml
@@ -0,0 +1,18 @@
+- name: 100
+  hex: "#f8f9fa"
+- name: 200
+  hex: "#e9ecef"
+- name: 300
+  hex: "#dee2e6"
+- name: 400
+  hex: "#ced4da"
+- name: 500
+  hex: "#adb5bd"
+- name: 600
+  hex: "#868e96"
+- name: 700
+  hex: "#495057"
+- name: 800
+  hex: "#343a40"
+- name: 900
+  hex: "#212529"
diff --git a/vendor/twbs/bootstrap/site/_data/nav.yml b/vendor/twbs/bootstrap/site/_data/nav.yml
new file mode 100644
index 000000000..98bd2c5d5
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/nav.yml
@@ -0,0 +1,86 @@
+- title: Getting started
+  pages:
+    - title: Introduction
+    - title: Download
+    - title: Contents
+    - title: Browsers & devices
+    - title: JavaScript
+    - title: Theming
+    - title: Build tools
+    # - title: Best practices # TODO: Write this content
+    - title: Webpack
+    - title: Accessibility
+
+- title: Layout
+  pages:
+    - title: Overview
+    - title: Grid
+    - title: Media object
+    - title: Utilities for layout
+
+- title: Content
+  pages:
+    - title: Reboot
+    - title: Typography
+    - title: Code
+    - title: Images
+    - title: Tables
+    - title: Figures
+
+- title: Components
+  pages:
+    - title: Alerts
+    - title: Badge
+    - title: Breadcrumb
+    - title: Buttons
+    - title: Button group
+    - title: Card
+    - title: Carousel
+    - title: Collapse
+    - title: Dropdowns
+    - title: Forms
+    - title: Input group
+    - title: Jumbotron
+    - title: List group
+    - title: Modal
+    - title: Navs
+    - title: Navbar
+    - title: Pagination
+    - title: Popovers
+    - title: Progress
+    - title: Scrollspy
+    - title: Tooltips
+
+- title: Utilities
+  pages:
+    - title: Borders
+    - title: Clearfix
+    - title: Close icon
+    - title: Colors
+    - title: Display
+    - title: Embed
+    - title: Flex
+    - title: Float
+    - title: Image replacement
+    - title: Position
+    - title: Screenreaders
+    - title: Shadows
+    - title: Sizing
+    - title: Spacing
+    - title: Text
+    - title: Vertical align
+    - title: Visibility
+
+- title: Extend
+  pages:
+    - title: Approach
+    - title: Icons
+
+- title: Migration
+
+- title: About
+  pages:
+    - title: Overview
+    - title: Brand
+    - title: License
+    - title: Translations
diff --git a/vendor/twbs/bootstrap/site/_data/theme-colors.yml b/vendor/twbs/bootstrap/site/_data/theme-colors.yml
new file mode 100644
index 000000000..bef5002ac
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/theme-colors.yml
@@ -0,0 +1,16 @@
+- name: primary
+  hex: "#007bff"
+- name: secondary
+  hex: "#868e96"
+- name: success
+  hex: "#28a745"
+- name: danger
+  hex: "#dc3545"
+- name: warning
+  hex: "#ffc107"
+- name: info
+  hex: "#17a2b8"
+- name: light
+  hex: "#f8f9fa"
+- name: dark
+  hex: "#343a40"
diff --git a/vendor/twbs/bootstrap/site/_data/translations.yml b/vendor/twbs/bootstrap/site/_data/translations.yml
new file mode 100644
index 000000000..38b5771c4
--- /dev/null
+++ b/vendor/twbs/bootstrap/site/_data/translations.yml
@@ -0,0 +1,19 @@
+- name: 中文(繁體)
+  code: zh-tw
+  description: Bootstrap 4 繁體中文手冊
+  url: http://bootstrap.hexschool.com/
+
+- name: Chinese
+  code: zh
+  description: Bootstrap 4 · 全球最流行的 HTML、CSS 和 JS 工具库。
+  url: https://code.z01.com/v4
+
+- name: Chinese
+  code: zh
+  description: Bootstrap 4 中文文档教程
+  url: https://wiki.jikexueyuan.com/project/bootstrap4/
+
+- name: Brazilian Portuguese
+  code: pt-BR
+  description: Bootstrap 4 Português do Brasil
+  url: http://getbootstrap.com.br/v4/