Gave the 404 message a class which will make it easier to pick out the message during testing.

 - Legacy-Id: 14826

Author: levkowetz

ietf/templates/404.html

@@ -5,13 +5,16 @@
 {% block content %}
 
   <img class="ietflogo" src="{% static 'ietf/images/ietflogo.png' %}" alt="IETF" style="width: 10em">
+  <div class='alert'>
 
-  <h2>The page you were looking for couldn't be found.</h2>
+    <h2>The page you were looking for couldn't be found.</h2>
 
 
-  <p> The requested URL was not found on this server. If you entered the URL
-    manually please check your spelling and try again.</p>
+    <p> The requested URL was not found on this server. If you entered the URL
+      manually please check your spelling and try again.</p>
 
-  <p>If you think this is a server error, please contact <a href="mailto:{{ bugreport_email }}">{{ bugreport_email }}</a>.</p>
+    <p>If you think this is a server error, please contact <a href="mailto:{{ bugreport_email }}">{{ bugreport_email }}</a>.</p>
+
+  </div>
 {% endblock %}