update bootstrap to version 4.3.1

1 files changed, 0 insertions, 26 deletions

diff --git a/vendor/twbs/bootstrap/site/docs/4.1/utilities/screenreaders.md b/vendor/twbs/bootstrap/site/docs/4.1/utilities/screenreaders.md
deleted file mode 100644
index 311102c6a..000000000
--- a/vendor/twbs/bootstrap/site/docs/4.1/utilities/screenreaders.md
+++ /dev/null
@@ -1,26 +0,0 @@
----
-layout: docs
-title: Screenreaders
-description: Use screenreader utilities to hide elements on all devices except screen readers.
-group: utilities
-toc: true
----
-
-Hide an element to all devices **except screen readers** with `.sr-only`. Combine `.sr-only` with `.sr-only-focusable` to show the element again when it's focused (e.g. by a keyboard-only user). Can also be used as mixins.
-
-{%- comment -%}
-Necessary for following [accessibility best practices]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/#accessibility).
-{%- endcomment -%}
-
-{% capture example %}
-<a class="sr-only sr-only-focusable" href="#content">Skip to main content</a>
-{% endcapture %}
-{% include example.html content=example %}
-
-{% highlight scss %}
-// Usage as a mixin
-.skip-navigation {
-  @include sr-only;
-  @include sr-only-focusable;
-}
-{% endhighlight %}