diff --git a/theme-arc-blue.css b/theme-arc-blue.css
index d77f11c..794179e 100644
--- a/theme-arc-blue.css
+++ b/theme-arc-blue.css
@@ -1033,4 +1033,7 @@
   }
   .markdown:not(code).file-view {
       overflow: auto;
-  }
\ No newline at end of file
+  }
+  .editor-toolbar.fullscreen {
+    background: #070b41;
+  }