<%= link_to t('.new', :default => t("Upload files")), course_new_material_path(@course, @folder), :class => 'btn btn-primary' %>
<%= link_to "Create Folder", "#create-subfolder-modal", "data-toggle" => "modal", :class => 'btn btn-primary' %>

<%= render partial: "subfolder_form", locals: { :subfolder_method => :post, :modal => true } %>

<%= link_to t('.new', :default => t("Upload files")), course_new_material_path(@course, @folder), :class => 'btn btn-primary' %>
<%= link_to "Create Folder", "#create-subfolder-modal", "data-toggle" => "modal", :class => 'btn btn-success' %>

<%= render partial: "subfolder_form", locals: { :subfolder_method => :post, :modal => true } %>

Change Create Folder button to green.
Change Create Folder button to green.
