anchor.diff:  <%= @textarea %>
   <% end %>
   </textarea>
  +    </div>
   
       <%= submit_tag "Save", class: "btn col s2 offset-s5" %>
   
  
positive.code: 
  
  function initCodeMirror() {
      var editor = CodeMirror.fromTextArea(document.getElementById("cssstyle"), {
          lineNumbers: true,
          viewportMargin: Infinity
  
negative.code: 
  <%= form_tag atlys_custom_styles.save_custom_style_path, method: :post, class: "col s10 offset-s1" do %>
  
      <div id="customstyleform">
  <textarea id="cssstyle" class="col s10 offset-s1 white prettyprint" name="style">
  <% if @textarea.empty? %>
  .exampleclass {
  