follow up to #21436 to add docs for the .flex-row-reverse , .flex-column-reverse...

diff --git a/docs/utilities/flexbox.md b/docs/utilities/flexbox.md
index 6686b5d5996b625eb1f2edc21d1ac906b41400f0..0acca4fadb24d4d472b2a2703810c0a33093177f 100644 (file)
--- a/docs/utilities/flexbox.md
+++ b/docs/utilities/flexbox.md
@@ -33,23 +33,33 @@ Responsive variations also exist for `.d-flex` and `.d-inline-flex`.
 
 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).
 
-Use `.flex-row` to set a horizontal direction.
+Use `.flex-row` to set a horizontal direction (the browser default), or `.flex-row-reverse` to start the horizontal direction from the opposite side.
 
 {% example html %}
-<div class="d-flex flex-row bd-highlight">
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
+<div class="d-flex flex-row bd-highlight mb-3">
+  <div class="p-2 bd-highlight">Flex item 1</div>
+  <div class="p-2 bd-highlight">Flex item 2</div>
+  <div class="p-2 bd-highlight">Flex item 3</div>
+</div>
+<div class="d-flex flex-row-reverse bd-highlight">
+  <div class="p-2 bd-highlight">Flex item 1</div>
+  <div class="p-2 bd-highlight">Flex item 2</div>
+  <div class="p-2 bd-highlight">Flex item 3</div>
 </div>
 {% endexample %}
 
-Use `.flex-column` to set a vertical direction.
+Use `.flex-column` to set a vertical direction, or `.flex-column-reverse`  to start the vertical direction from the opposite side.
 
 {% example html %}
-<div class="d-flex flex-column bd-highlight">
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
+<div class="d-flex flex-column bd-highlight mb-3">
+  <div class="p-2 bd-highlight">Flex item 1</div>
+  <div class="p-2 bd-highlight">Flex item 2</div>
+  <div class="p-2 bd-highlight">Flex item 3</div>
+</div>
+<div class="d-flex flex-column-reverse bd-highlight">
+  <div class="p-2 bd-highlight">Flex item 1</div>
+  <div class="p-2 bd-highlight">Flex item 2</div>
+  <div class="p-2 bd-highlight">Flex item 3</div>
 </div>
 {% endexample %}
 
@@ -57,7 +67,9 @@ Responsive variations also exist for `.flex-row` and `.flex-column`.
 
 {% for bp in site.data.breakpoints %}
 - `.flex{{ bp.abbr }}-row`
-- `.flex{{ bp.abbr }}-column`{% endfor %}
+- `.flex{{ bp.abbr }}-row-reverse`
+- `.flex{{ bp.abbr }}-column`
+- `.flex{{ bp.abbr }}-column-reverse`{% endfor %}
 
 ## Justify content
 
@@ -221,53 +233,93 @@ Similarly, move one flex item to the top or bottom of a container by mixing `ali
 
 ## Wrap
 
-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`.
+Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with `.flex-nowrap`, wrapping with `.flex-wrap`, or reverse wrapping with `.flex-wrap-reverse`.
 
-{% example html %}
-<div class="d-flex flex-nowrap bd-highlight">
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
+<div class="bd-example">
+  <div class="d-flex flex-nowrap bd-highlight">
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+  </div>
 </div>
-{% endexample %}
+{% highlight html %}
+<div class="d-flex flex-nowrap">
+  ...
+</div>
+{% endhighlight %}
 
-{% example html %}
-<div class="d-flex flex-wrap bd-highlight">
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
-  <div class="p-2 bd-highlight">Flex item</div>
+<div class="bd-example">
+  <div class="d-flex flex-wrap bd-highlight">
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+  </div>
+</div>
+{% highlight html %}
+<div class="d-flex flex-wrap">
+  ...
 </div>
+{% endhighlight %}
+
+<div class="bd-example">
+  <div class="d-flex flex-wrap-reverse bd-highlight">
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+    <div class="p-2 bd-highlight">Flex item</div>
+  </div>
+</div>
+{% highlight html %}
+<div class="d-flex flex-wrap-reverse">
+  ...
+</div>
+{% endhighlight %}
+
+
+{% example html %}
 {% endexample %}
 
 Responsive variations also exist for `.flex-nowrap` and `.flex-wrap`.
 
 {% for bp in site.data.breakpoints %}
 - `.flex{{ bp.abbr }}-nowrap`
-- `.flex{{ bp.abbr }}-wrap`{% endfor %}
+- `.flex{{ bp.abbr }}-wrap`
+- `.flex{{ bp.abbr }}-wrap-reverse`{% endfor %}
 
 ## Order