1 files changed, 6 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/helper_doubletap_zoom_textarea.html b/gfx/layers/apz/test/mochitest/helper_doubletap_zoom_textarea.html
index 99616d9834..762e1cef69 100644
--- a/gfx/layers/apz/test/mochitest/helper_doubletap_zoom_textarea.html
+++ b/gfx/layers/apz/test/mochitest/helper_doubletap_zoom_textarea.html
@@ -7,6 +7,12 @@
   <script src="apz_test_native_event_utils.js"></script>
   <script src="apz_test_utils.js"></script>
   <script src="/tests/SimpleTest/paint_listener.js"></script>
+  <style>
+    #target {
+      width: 100px;
+      height: 100px;
+    }
+  </style>
   <script>
 
 async function test() {