diff --git a/page/src/editor.ts b/page/src/editor.ts
index 4a04b75..8c59a34 100644
--- a/page/src/editor.ts
+++ b/page/src/editor.ts
@@ -59,3 +59,10 @@ editor.onDidChangeMarkers(() => {
 editor.setModelMarkers(right.getModel()!, 'typescript', []);
 
 });
+
+const resizeObserver = new ResizeObserver(() => {
+  right.layout(); 
+  left.layout();
+});
+
+resizeObserver.observe(document.querySelector('.editor-container')!)
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