diff --git a/static/styles/night_mode.css b/static/styles/night_mode.css
index 48f65ed744..8d7ad459c8 100644
--- a/static/styles/night_mode.css
+++ b/static/styles/night_mode.css
@@ -116,7 +116,8 @@ on a dark background, and don't change the dark labels dark either. */
 
     /* these are converting grey things to "new grey" */
     :disabled,
-    *[readonly="readonly"],
+    input:read-only,
+    textarea:read-only,
     .sidebar-title,
     .recipient_row_date {
         color: inherit;