diff --git a/src/theme/extras/_main.scss b/src/theme/extras/_main.scss
new file mode 100644
index 000000000..5f8cc9c45
--- /dev/null
+++ b/src/theme/extras/_main.scss
@@ -0,0 +1,15 @@
+//BACKPORT to https://github.com/plone/volto/pull/7552/
+// start backport
+.visually-hidden {
+  position: absolute;
+  overflow: hidden;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  border: 0;
+  margin: -1px;
+  clip: rect(1px, 1px, 1px, 1px); /* IE-style CSS for compatibility */
+  white-space: nowrap;
+  word-wrap: normal;
+}
+// end backport
diff --git a/src/theme/site.scss b/src/theme/site.scss
index 2d997af35..3fb822926 100644
--- a/src/theme/site.scss
+++ b/src/theme/site.scss
@@ -16,6 +16,7 @@
 @import 'extras/video';
 @import 'extras/file-widget';
 @import 'extras/tables';
+@import 'extras/main';
 
 /*** ItaliaTheme ***/
 @import 'ItaliaTheme/css_variables';