diff --git a/web/src/app/browser/src/context/pageIntegrationHandlers.ts b/web/src/app/browser/src/context/pageIntegrationHandlers.ts
index 807ddf73ee..4e4bca2c9f 100644
--- a/web/src/app/browser/src/context/pageIntegrationHandlers.ts
+++ b/web/src/app/browser/src/context/pageIntegrationHandlers.ts
@@ -57,6 +57,7 @@ export class PageIntegrationHandlers {
     // Add a blank DIV to the bottom of the page to allow the bottom of the page to be shown
     const dTrailer = this.mobilePageTrailer = document.createElement('div');
     const ds=dTrailer.style;
+    dTrailer.className = 'keyman-page-trailer';
     ds.width='100%';
     ds.height=(screen.width/2)+'px';  // ... interesting choice, but okay.
     document.body.appendChild(dTrailer);