Adds styles for new admin's sections

app/views/admin/settings/index.html.erb

@@ -1,15 +1,14 @@
-<h1><%= t("admin.settings.index.title") %></h1>
+<h2><%= t("admin.settings.index.title") %></h2>
 
-<ul>
+<ul class="admin-list">
   <% @settings.each do |setting| %>
     <li>
       <strong><%= setting.key.classify %></strong>
 
       <%= form_for(setting, url: admin_setting_path(setting), html: { id: "edit_#{dom_id(setting)}"}) do |f| %>
         <%= f.text_field :value, label: false, id: dom_id(setting) %>
-        <%= f.submit(class: "button radius tiny") %>
+        <%= f.submit(class: "button radius tiny success") %>
       <% end %>
-
     </li>
   <% end %>
-</ul>
+</ul>