change button color from grey to blue

app/views/projects/settings/_backlogs_settings.html.erb

@@ -56,11 +56,11 @@ See doc/COPYRIGHT.rdoc for more details.
   </tbody>
 </table>
 
-<p><%= styled_button_tag l(:button_save), class: '-with-icon icon-yes' %></p>
+<p><%= styled_button_tag l(:button_save), class: '-highlight -with-icon icon-yes' %></p>
 <% end %>
 
 <h2><%=l('backlogs.rebuild_positions')%></h2>
 
 <%= styled_form_tag(:controller => '/projects', :action => "rebuild_positions", :id => @project) do %>
-  <p><%= styled_button_tag l('backlogs.rebuild') %></p>
+  <p><%= styled_button_tag l('backlogs.rebuild'), class: '-highlight' %></p>
 <% end %>

app/views/version_settings/edit.html.erb

@@ -38,5 +38,5 @@ See doc/COPYRIGHT.rdoc for more details.
 
 <% labelled_tabular_form_for :version, @version, :url => project_version_path(@project, @version), :html => {:method => :put} do |f| %>
 <%= render :partial => 'form', :locals => { :f => f } %>
-<%= styled_button_tag l(:button_save), class: '-with-icon icon-yes' %>
+<%= styled_button_tag l(:button_save), class: '-highlight -with-icon icon-yes' %>
 <% end %>