diff --git a/style/parsedown.css b/style/parsedown.css
index 631ad9c..8d31af5 100644
--- a/style/parsedown.css
+++ b/style/parsedown.css
@@ -61,7 +61,7 @@
 }
 
 .parsedown-section th {
-  background-color: #63bf3c;
+  background-color: #4CAF50;
   color: white;
 }