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Responsive containers (follow-up to #29095) (#29118)

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* Follow-up to #29095

This PR fixes the responsive containers that were added in #29095, originally stubbed out in #25631. Apologies to @browner12 for getting that wrong.

Fixes #25631.

* update navbar as well because we cannot reset all containers uniformly

* Update navbars example to include container-xl example to ensure containers match

* rewrite responsive containers docs, add table of max-widths

* Update container docs
- Move table up to the intro
- Remove the container example because it's actually hella confusing
- Update and link to grid example as a demo instead
This commit is contained in:
Mark Otto
2019-08-05 12:12:16 -07:00
committed by GitHub
parent 8c362f0a0a
commit d94148bf50
6 changed files with 177 additions and 39 deletions
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site/content/docs/4.3/layout/overview.md
+90 -23
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@@ -9,18 +9,100 @@ toc: true
## Containers
Containers are the most basic layout element in Bootstrap and are **required when using our default grid system**. While containers *can* be nested, most layouts do not require a nested container.
Containers are the most basic layout element in Bootstrap and are **required when using our default grid system**. Containers are used to contain, pad, and (sometimes) center the content within them. While containers *can* be nested, most layouts do not require a nested container.
Bootstrap comes with three different containers:
- `.container`, which sets a `max-width` at each responsive breakpoint
- `.container-fluid`, which is `width: 100%` at all breakpoints
- `.container-{breakpoint}`, which is `width: 100%` until the specified breakpoint
The table below illustrates how each container's `max-width` compares to the original `.container` and `.container-fluid` across each breakpoint.
See them in action and compare them in our [Grid example]({{< docsref "/examples/grid#containers" >}}).
<table class="table text-left">
<thead>
<tr>
<th></th>
<th>
Extra small<br>
<span class="font-weight-normal">&lt;576px</span>
</th>
<th>
Small<br>
<span class="font-weight-normal">&ge;576px</span>
</th>
<th>
Medium<br>
<span class="font-weight-normal">&ge;768px</span>
</th>
<th>
Large<br>
<span class="font-weight-normal">&ge;992px</span>
</th>
<th>
Extra large<br>
<span class="font-weight-normal">&ge;1200px</span>
</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>.container</code></td>
<td class="text-muted">100%</td>
<td>540px</td>
<td>720px</td>
<td>960px</td>
<td>1140px</td>
</tr>
<tr>
<td><code>.container-sm</code></td>
<td class="text-muted">100%</td>
<td>540px</td>
<td>720px</td>
<td>960px</td>
<td>1140px</td>
</tr>
<tr>
<td><code>.container-md</code></td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td>720px</td>
<td>960px</td>
<td>1140px</td>
</tr>
<tr>
<td><code>.container-lg</code></td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td>960px</td>
<td>1140px</td>
</tr>
<tr>
<td><code>.container-xl</code></td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td>1140px</td>
</tr>
<tr>
<td><code>.container-fluid</code></td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
<td class="text-muted">100%</td>
</tr>
</tbody>
</table>
### All-in-one
Our default `.container` class is a responsive, fixed-width container, meaning its `max-width` changes at each breakpoint.
<div class="bd-example">
<div class="example-container-element col-6 p-3 mx-auto">
.container
</div>
</div>
{{< highlight html >}}
<div class="container">
<!-- Content here -->
@@ -31,12 +113,6 @@ Our default `.container` class is a responsive, fixed-width container, meaning i
Use `.container-fluid` for a full width container, spanning the entire width of the viewport.
<div class="bd-example">
<div class="example-container-element p-3">
.container-fluid
</div>
</div>
{{< highlight html >}}
<div class="container-fluid">
...
@@ -45,16 +121,7 @@ Use `.container-fluid` for a full width container, spanning the entire width of
### Responsive
Responsive containers are new in Bootstrap v4.4. They allow you to specify a class that is 100% wide until particular breakpoint is reached and a `max-width` is applied. For example, `.container-sm` is 100% wide to start until the `sm` breakpoint is reached, where it will remain through the higher breakpoints.
<div class="bd-example">
<div class="example-container-element p-3 mb-3">
.container-sm (100% wide until breakpoint)
</div>
<div class="example-container-element col-6 p-3 mx-auto">
.container-sm (With max-width at breakpoint)
</div>
</div>
Responsive containers are new in Bootstrap v4.4. They allow you to specify a class that is 100% wide until the specified breakpoint is reached, after which we apply `max-width`s for each of the higher breakpoints. For example, `.container-sm` is 100% wide to start until the `sm` breakpoint is reached, where it will scale up with `md`, `lg`, and `xl`.
{{< highlight html >}}
<div class="container-sm">100% wide until small breakpoint</div>