diff --git a/src/css/confirm-page.css b/src/css/confirm-page.css
index b954443..49990f3 100644
--- a/src/css/confirm-page.css
+++ b/src/css/confirm-page.css
@@ -27,7 +27,7 @@ button .container-name,
 
   /* for a mid sized window we have enough for this but not our image */
   .title {
-    background-image: url("chrome://global/skin/icons/info.svg");
+    background-image: url('chrome://global/skin/icons/info.svg');
   }
 }
 
@@ -76,6 +76,11 @@ dfn {
   font-style: normal;
 }
 
+#deny,
+#confirm {
+  flex-grow: 1;
+}
+
 .button-container > button {
   min-inline-size: 240px;
 }