diff --git a/index.html b/index.html
index c8a303e..6c54e64 100644
--- a/index.html
+++ b/index.html
@@ -17,8 +17,11 @@
         height: 100%;
       }
 
-      .app {
+      body {
         margin: 0px;
+      }
+
+      .app {
         /* same as ace editor */
         font-family: Monaco, Menlo, "Ubuntu Mono", Consolas, source-code-pro, monospace;
       }
diff --git a/src/editor/ui.js b/src/editor/ui.js
index 80255d7..2d7a35f 100644
--- a/src/editor/ui.js
+++ b/src/editor/ui.js
@@ -111,10 +111,10 @@ export class UI {
       ))
     )
 
-    this.root.addEventListener('keydown', () => this.clear_status(), true)
-    this.root.addEventListener('click', () => this.clear_status(), true)
+    window.addEventListener('keydown', () => this.clear_status(), true)
+    window.addEventListener('click', () => this.clear_status(), true)
 
-    this.root.addEventListener('keydown', e => {
+    window.addEventListener('keydown', e => {
       if(e.key == 'F2') {
         this.set_active_tab('calltree')
       }