diff --git a/src/forge/Main/CoderRootFileDetail.js b/src/forge/Main/CoderRootFileDetail.js
index 072ab931e..8b16f633c 100644
--- a/src/forge/Main/CoderRootFileDetail.js
+++ b/src/forge/Main/CoderRootFileDetail.js
@@ -8,6 +8,7 @@ import ReadmeCatelogue from "./sub/ReadmeCatelogue";
 import { Base64 } from "js-base64";
 import ReplaceModal from "./Modal/ReplaceModal";
 import {returnbar , turnbar} from 'educoder';
+import 'codemirror/lib/codemirror.css';
 
 const $ = window.$;
 function bytesToSize(bytes) {