diff --git a/userContent.css b/userContent.css
index d8f2d5b..a759b2c 100644
--- a/userContent.css
+++ b/userContent.css
@@ -50,6 +50,16 @@
     }
   }
 
+  @-moz-document url-prefix("about:neterror?e=connectionFailure"),
+  url-prefix("about:neterror?e=netInterrupt"),
+  url-prefix("about:neterror?e=netTimeout"),
+  url-prefix("about:neterror?e=netReset"),
+  url-prefix("about:neterror?e=netOffline"),
+  url("about:restartrequired"), url("chrome://browser/content/aboutRestartRequired.xhtml") {
+    #errorPageContainer {
+      background-image: url("chrome://browser/skin/illustrations/error-connection-failure.svg");
+    }
+  }
   @-moz-document url-prefix("about:neterror?e=dnsNotFound") {
     #errorPageContainer {
       background-image: url("chrome://browser/skin/illustrations/error-server-not-found.svg");
@@ -60,11 +70,14 @@
       background-image: url("chrome://browser/skin/illustrations/error-malformed-url.svg");
     }
   }
-  @-moz-document url("about:restartrequired"), url("chrome://browser/content/aboutRestartRequired.xhtml") {
+  @-moz-document url-prefix("about:neterror?e=clockSkewError"),
+  url-prefix("about:neterror?e=nssFailure") {
     #errorPageContainer {
-      background-image: url("chrome://browser/skin/illustrations/error-connection-failure.svg");
+      background-image: url("chrome://browser/skin/illustrations/blue-berror.svg");
+      background-size: 18.5em;
     }
   }
+
   @-moz-document url("about:sessionrestore"), url(chrome://browser/content/aboutSessionRestore.xhtml) {
     .description-wrapper {
       background-image: url("chrome://browser/skin/illustrations/error-session-restore.svg");