browserid login button needs an href (bug 712192)

apps/users/templates/users/mobile/login.html

@@ -33,7 +33,7 @@
   <section id="content">
     {% if waffle.switch('browserid-login') %}
       <section id="browserid">
-        <a class="browserid-login button"
+        <a href="#" class="browserid-login button"
                 data-url="{{ url('users.browserid_login') }}"
                 data-profile-form-url="{{ url('users.complete_profile_form') }}">
           {{ _('Log in with BrowserID') }}

media/css/zamboni/mobile.css

@@ -790,7 +790,7 @@ button {
     margin: 0;
 }
 
-button, .button, a.button {
+button, .button, a.button, a.button:link {
     -moz-transition: -moz-box-shadow 0.3s ease 0s;
     background-color: #669BE1;
     border: 0;