diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 131b0c6fa1..e1260c7d59 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -3889,6 +3889,25 @@ button.close {
border-bottom-right-radius: 6px;
}
+.btn-group > .btn-group {
+ float: left;
+}
+
+.btn-group > .btn-group > .btn {
+ border-radius: 0;
+}
+
+.btn-group > .btn-group:last-child > .btn {
+ border-top-right-radius: 4px;
+ border-bottom-right-radius: 4px;
+}
+
+.btn-group > .btn-group:first-child > .btn {
+ margin-left: 0;
+ border-bottom-left-radius: 4px;
+ border-top-left-radius: 4px;
+}
+
.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle {
outline: 0;
diff --git a/docs/docs.html b/docs/docs.html
index cd90b15103..3467252154 100644
--- a/docs/docs.html
+++ b/docs/docs.html
@@ -2919,6 +2919,28 @@ For example, <section>
should be wrapped as inline.
{% endhighlight %}
+
Place buttons groups within button groups when you want dropdown menus mixed with a series of buttons.
+Make a set of buttons appear vertically stacked rather than horizontally.