diff --git a/common/css/main.css b/common/css/main.css
index 80b9d4cf..6b6f3631 100644
--- a/common/css/main.css
+++ b/common/css/main.css
@@ -32,4 +32,5 @@
 @import "./files/files.css";
 @import "./folders/folders.css";
 @import "./mprogress.min.css";
-@import "./skeleton.css";
\ No newline at end of file
+@import "./skeleton.css";
+@import "./monaco-ext.css";
\ No newline at end of file
diff --git a/common/css/monaco-ext.css b/common/css/monaco-ext.css
new file mode 100644
index 00000000..41d9ee2f
--- /dev/null
+++ b/common/css/monaco-ext.css
@@ -0,0 +1,5 @@
+.monaco-editor *,
+.monaco-editor ::after,
+.monaco-editor ::before {
+    box-sizing: unset;
+}
\ No newline at end of file