Registrar style fixes after style refactor

app/assets/stylesheets/app.sass

@@ -1,41 +0,0 @@
-.error-tab > a
-  color: #a94442 !important
-
-.edit-highlight
-  background-color: #E7E7E7
-
-.navbar-brand
-  line-height: 12px
-  padding-top: 20px
-  padding-bottom: 5px
-
-.navbar-brand small
-  display: block
-  font-size: 10px
-
-.footer
-  color: #777
-  padding-top: 15px
-  font-size: 10px
-
-.nowrap
-  white-space: nowrap
-
-.form-signin
-  max-width: 330px
-  padding: 15px
-  margin: 0 auto
-  input
-    margin-bottom: 10px
-
-.form-signin .form-control
-  position: relative
-  height: auto
-  -webkit-box-sizing: border-box
-  -moz-box-sizing: border-box
-  box-sizing: border-box
-  padding: 10px
-  font-size: 16px
-
-.no-border
-  border: 0 !important

app/assets/stylesheets/shared/custom-boostrap.sass

@@ -12,6 +12,10 @@ $navbar-default-link-active-color: #333
 @import "bootstrap-sprockets"
 @import "bootstrap"
 
+// http://stackoverflow.com/questions/18153234/center-a-column-using-twitter-bootstrap-3
+.center-block
+  float: none !important
+
 .text-left-not-xs, .text-left-not-sm, .text-left-not-md, .text-left-not-lg
   text-align: left
 

app/views/registrar/sessions/login.haml

@@ -1,5 +1,6 @@
-.form-signin.text-center
-  %h2.form-signin-heading.text-center= t('log_in')
+.row
+  .form-signin.col-md-6.center-block.text-center
+    %h2.form-signin-heading.text-center= t(:log_in)
     %hr
       = link_to '/registrar/login/mid' do
         = image_tag 'mid.gif'

app/views/registrar/sessions/login_mid.haml

@@ -1,13 +1,10 @@
-.form-signin.text-center
-  %h2.form-signin-heading.text-center= t('log_in_with_mid')
+.row
+  .form-signin.col-md-4.center-block.text-center
+    %h2.form-signin-heading.text-center= t(:log_in_with_mid)
     %hr
-  = link_to '/registrar/login/mid' do
-    = image_tag 'mid.gif'
-  = link_to '/registrar/login/id' do
-    = image_tag 'id_card.gif'
     = form_for @user, url: registrar_mid_path, html: {class: 'form-signin'} do |f|
-    = f.text_field :phone, class: 'form-control', placeholder: t('phone_no'), autocomplete: 'off'
-    %button.btn.btn-lg.btn-primary.btn-block.js-login{:type => 'submit'}= t('log_in')
+      = f.text_field :phone, class: 'form-control', placeholder: t(:phone_no), autocomplete: 'off'
+      %button.btn.btn-lg.btn-primary.btn-block.js-login{:type => 'submit'}= t(:log_in)
 
   - if ['development', 'alpha'].include?(Rails.env)
     %div.text-center