diff --git a/src/css/custom.css b/src/css/custom.css
index 859f85b..d68e617 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -33,7 +33,7 @@
   --prism-background-color: #D1CCBE;
   --ifm-toc-border-color: #000;
 
-  --ifm-heading-color: #163B5D;
+  --ifm-heading-color: #000000;
   --ifm-color-content: #000000;
   --ifm-color-content-secondary: #718096;
   --ifm-breadcrumb-color-active: #434D5B;