diff --git a/inform7/Internal/HTML/windows-platform.css b/inform7/Internal/HTML/windows-platform.css
index fbbb413e1..0fc50e826 100755
--- a/inform7/Internal/HTML/windows-platform.css
+++ b/inform7/Internal/HTML/windows-platform.css
@@ -37,7 +37,7 @@
     --index-dull-red-colour: #c00000;
     --periodic-table-sidebar-colour: #555;
     --periodic-table-sidebar-hover-colour: #222;
-    --leaders-background-colour: black;
+    --leaders-background-colour: #121212;
     --library-card-title-colour: #a05050;
     --library-card-other-colour: #505050;
     --index-more-box-background-colour: #444444;