--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -373,35 +373,33 @@ window[chromehidden~="toolbar"] toolbar:
 /*  Full Screen UI */
 
 #fullscr-toggler {
   height: 1px;
   background: black;
 }
 
 #full-screen-warning-container {
-  pointer-events: none;
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
 }
 
 #full-screen-warning-container[fade-warning-out] {
   transition-property: opacity !important;
   transition-duration: 500ms !important;
   opacity: 0.0;
 }
 
 #full-screen-warning-message {
-  pointer-events: auto;
   /* We must specify a max-width, otherwise word-wrap:break-word doesn't
      work in descendant <description> and <label> elements. Bug 630864. */
-  max-width: 800px;  
+  max-width: 800px;
 }
 
 #full-screen-domain-text,
 #full-screen-remember-decision > .checkbox-label-box > .checkbox-label {
   word-wrap: break-word;
   /* We must specify a min-width, otherwise word-wrap:break-word doesn't work. Bug 630864. */
   min-width: 1px;
 }