diff --git a/R/ro_dt_theme.R b/R/ro_dt_theme.R
index 173510f..313f2b8 100644
--- a/R/ro_dt_theme.R
+++ b/R/ro_dt_theme.R
@@ -215,6 +215,19 @@ ro_dt_theme <- function(
             outline-offset: 2px !important;
             box-shadow: none !important;
           }
+
+          /* Screen-reader-only text (not dependent on host Bootstrap version) */
+          .visually-hidden {
+            position: absolute !important;
+            width: 1px !important;
+            height: 1px !important;
+            padding: 0 !important;
+            margin: -1px !important;
+            overflow: hidden !important;
+            clip: rect(0, 0, 0, 0) !important;
+            white-space: nowrap !important;
+            border: 0 !important;
+          }
           ",
           base_family,
           base_family,