<%= link_to('Back to Uploads', {:action => 'index'}, :class => 'btn btn-primary') %>
<%= link_to('Delete Dataset', {:action => 'delete', :id => d.id}, :class => 'btn btn-danger') %>

<%= link_to('Back to Uploads', {:action => 'index'}, :class => 'btn') %>
<%= link_to('Delete Dataset', {:action => 'delete', :id => d.id}, :class => 'btn btn-danger') %>

Change button style on 'back to uploads'
Change button style on 'back to uploads'
