diff --git a/boards/static/css/md/base_page.css b/boards/static/css/md/base_page.css
--- a/boards/static/css/md/base_page.css
+++ b/boards/static/css/md/base_page.css
@@ -198,7 +198,7 @@ blockquote {
 }
 
 .spoiler:hover {
-    background: black;
+    color: black;
 }
 
 .comment {