diff --git a/theme-arc-blue.css b/theme-arc-blue.css
index 726945b..f9ed1fb 100644
--- a/theme-arc-blue.css
+++ b/theme-arc-blue.css
@@ -966,3 +966,13 @@
       color: #dcdcdc !important;
       background: #014a25 !important;
   }
+  .editor-preview, .editor-preview-side {
+      background: #131313;
+      color: #dfdfdf;
+}
+  .markdown:not(code) h5 {
+      color: #d5d5d5;
+} 
+  .markdown:not(code) h6 {
+      color: #d5d5d5;
+}