diff --git a/theme-arc-blue.css b/theme-arc-blue.css
index f9ed1fb..3f4f4ce 100644
--- a/theme-arc-blue.css
+++ b/theme-arc-blue.css
@@ -969,10 +969,13 @@
   .editor-preview, .editor-preview-side {
       background: #131313;
       color: #dfdfdf;
-}
+  }
+  .markdown:not(code) h4 {
+      color: #d5d5d5;
+  } 
   .markdown:not(code) h5 {
       color: #d5d5d5;
-} 
+  } 
   .markdown:not(code) h6 {
       color: #d5d5d5;
-}
+  }