From 3751379f1e9a4c215fb6eb898b4ccc67659b9ace Mon Sep 17 00:00:00 2001
From: stephanchrst <stephanchrst@gmail.com>
Date: Tue, 10 May 2022 21:51:50 +0700
Subject: initial commit 2

---
 .../lib/bootstrap/scss/mixins/_screen-reader.scss  | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 addons/web/static/lib/bootstrap/scss/mixins/_screen-reader.scss

(limited to 'addons/web/static/lib/bootstrap/scss/mixins/_screen-reader.scss')

diff --git a/addons/web/static/lib/bootstrap/scss/mixins/_screen-reader.scss b/addons/web/static/lib/bootstrap/scss/mixins/_screen-reader.scss
new file mode 100644
index 00000000..812591bc
--- /dev/null
+++ b/addons/web/static/lib/bootstrap/scss/mixins/_screen-reader.scss
@@ -0,0 +1,33 @@
+// Only display content to screen readers
+//
+// See: https://a11yproject.com/posts/how-to-hide-content/
+// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
+
+@mixin sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+// Use in conjunction with .sr-only to only display content when it's focused.
+//
+// Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
+//
+// Credit: HTML5 Boilerplate
+
+@mixin sr-only-focusable {
+  &:active,
+  &:focus {
+    position: static;
+    width: auto;
+    height: auto;
+    overflow: visible;
+    clip: auto;
+    white-space: normal;
+  }
+}
-- 
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