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Start to blow out and document more flexbox utilities
- Adds new flexbox.md file to utilities docs - Adds a `breakpoints.yml` data file for easier output of responsive classes in the docs. Will put this to use on other pages soon. - Adds hella flex utils. There are some dupes for now, but they'll get removed in time.
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Mark Otto
Mark Otto
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docs/_data/breakpoints.yml
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docs/_data/breakpoints.yml
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- breakpoint: xs
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abbr: ""
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name: Extra small
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min-width: 0px
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container: ""
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- breakpoint: sm
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abbr: -sm
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name: Small
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min-width: 576px
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container: 540px
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- breakpoint: md
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abbr: -md
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name: Medium
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min-width: 768px
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container: 720px
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- breakpoint: lg
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abbr: -lg
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name: Large
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min-width: 992px
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container: 960px
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- breakpoint: xl
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abbr: -xl
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name: Extra large
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min-width: 1200px
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container: 1140px
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@ -56,6 +56,7 @@
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- title: Clearfix
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- title: Close icon
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- title: Colors
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- title: Flexbox
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- title: Display property
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- title: Image replacement
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- title: Invisible content
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196
docs/utilities/flexbox.md
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docs/utilities/flexbox.md
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---
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layout: docs
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title: Flexbox
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group: utilities
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---
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Quickly manage the layout, alignment, and sizing of grid columns, navigation, components, and more with a full suite of responsive flexbox utilities. For more complex implementations, custom CSS may be necessary.
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## Contents
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* Will be replaced with the ToC, excluding the "Contents" header
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{:toc}
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## Enable flex behaviors
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Apply `display` utilities to create a flexbox container and transform **direct children elements** into flex items. Flex containers and items are able to be modified further with additional flex properties. Choose from the following options.
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| Class | property: value; | Description |
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| --- | --- | --- |
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| `.d-flex` | `display: flex;` | Creates a block-level element using the flexbox model. |
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| `.d-inline-flex` | `display: inline-flex;` | Creates an inline-level element using the flexbox model. |
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{% example html %}
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<div class="d-flex p-2 bd-highlight">I'm a flexbox container!</div>
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{% endexample %}
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{% example html %}
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<div class="d-inline-flex p-2 bd-highlight">I'm an inline flexbox container!</div>
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{% endexample %}
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Responsive variations also exist for `.d-flex` and `.d-inline-flex`.
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<table class="table-responsive">
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<thead>
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<tr class="bg-faded">
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<th>Class</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.d{{ bp.abbr }}-flex</code>
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</td>
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<td>
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Sets <code>display: flex;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.d{{ bp.abbr }}-inline-flex</code>
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</td>
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<td>
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Sets <code>display: inline-flex;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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## Direction
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Set the direction of flex items in a flex container with direction utilities. In most cases you can omit the horizontal class here as the browser default is `row`. However, you may encounter situations where you needed to explicitly set this value (like responsive layouts).
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Use `.flex-row` to set a horizontal direction.
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{% example html %}
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<div class="d-flex flex-row bd-highlight">
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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</div>
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{% endexample %}
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Use `.flex-column` to set a vertical direction.
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{% example html %}
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<div class="d-flex flex-column bd-highlight">
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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</div>
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{% endexample %}
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Responsive variations also exist for `.flex-row` and `.flex-column`.
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<table class="table-responsive">
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<thead>
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<tr class="bg-faded">
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<th>Class</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.flex{{ bp.abbr }}-row</code>
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</td>
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<td>
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Sets <code>flex-direction: row;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.flex{{ bp.abbr }}-column</code>
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</td>
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<td>
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Sets <code>flex-direction: column;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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## Wrap
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Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with `.flex-nowrap`, or enable wrapping with `.flex-wrap`.
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{% example html %}
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<div class="d-flex flex-nowrap bd-highlight">
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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</div>
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{% endexample %}
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{% example html %}
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<div class="d-flex flex-wrap bd-highlight">
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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<div class="p-2 bd-highlight">Flex item</div>
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</div>
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{% endexample %}
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Responsive variations also exist for `.flex-nowrap` and `.flex-wrap`.
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<table class="table-responsive">
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<thead>
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<tr class="bg-faded">
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<th>Class</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.flex{{ bp.abbr }}-nowrap</code>
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</td>
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<td>
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Sets <code>flex-wrap: nowrap;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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{% for bp in site.data.breakpoints %}
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<tr>
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<td>
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<code>.flex{{ bp.abbr }}-wrap</code>
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</td>
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<td>
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Sets <code>flex-wrap: wrap;</code> on viewports {{ bp.min-width }} wide and up
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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@ -27,5 +27,47 @@
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.flex-items#{$infix}-right { justify-content: flex-end; }
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.flex-items#{$infix}-around { justify-content: space-around; }
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.flex-items#{$infix}-between { justify-content: space-between; }
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//
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// New flex utils to replace and extend the ones above
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//
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.flex#{$infix}-fill { flex: 1 1 auto; }
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.flex#{$infix}-justify { flex: 1 1 100%; }
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.flex#{$infix}-row { flex-direction: row !important; }
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.flex#{$infix}-column { flex-direction: column !important; }
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.flex#{$infix}-wrap { flex-wrap: wrap !important; }
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.flex#{$infix}-nowrap { flex-wrap: nowrap !important; }
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.justify-content#{$infix}-start { justify-content: flex-start !important; }
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.justify-content#{$infix}-end { justify-content: flex-end !important; }
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.justify-content#{$infix}-center { justify-content: center !important; }
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.justify-content#{$infix}-between { justify-content: space-between !important; }
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.justify-content#{$infix}-around { justify-content: space-around !important; }
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.align-items#{$infix}-start { align-items: flex-start !important; }
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.align-items#{$infix}-end { align-items: flex-end !important; }
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.align-items#{$infix}-center { align-items: center !important; }
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.align-items#{$infix}-baseline { align-items: baseline !important; }
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.align-items#{$infix}-stretch { align-items: stretch !important; }
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.align-content#{$infix}-start { align-content: flex-start !important; }
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.align-content#{$infix}-end { align-content: flex-end !important; }
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.align-content#{$infix}-center { align-content: center !important; }
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.align-content#{$infix}-between { align-content: space-between !important; }
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.align-content#{$infix}-around { align-content: space-around !important; }
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.align-content#{$infix}-stretch { align-content: stretch !important; }
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// Item
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.flex#{$infix}-auto { flex: 1 1 auto !important; }
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.align-self#{$infix}-auto { align-self: auto !important; }
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.align-self#{$infix}-start { align-self: flex-start !important; }
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.align-self#{$infix}-end { align-self: flex-end !important; }
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.align-self#{$infix}-center { align-self: center !important; }
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.align-self#{$infix}-baseline { align-self: baseline !important; }
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.align-self#{$infix}-stretch { align-self: stretch !important; }
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}
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}
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