<%= content_for :breadcrumbs do %>
  <%= breadcrumbs @chapter %>
<% end %>

<div>
  <h1><%= t(:chapter_number, number: @chapter.number) %> <%= @chapter.name %></h1>

  <%= @chapter.description_html %>

  <div class="actions">
    <% if @chapter.lessons.present? %>
      <a href="<%= lesson_path(@chapter.first_lesson) %>" class="btn btn-success">
        <%= t(:start_practicing) %>
      </a>
    <% end %>
  </div>
</div>

<% if @chapter.lessons.present? %>
<div>
  <h3><%= t(:content) %></h3>

  <% @chapter.lessons.each do |lesson| %>
    <h4><%= t(:lesson_number, number: lesson.number) %>: <%= link_to_path_element lesson, mode: :plain %></h4>
    <%= render partial: 'layouts/progress_listing', locals: {exercises: lesson.exercises} %>
  <% end %>
</div>
<% end %>

<%= content_for :breadcrumbs do %>
  <%= breadcrumbs @chapter %>
<% end %>

<div>
  <h1><%= t(:chapter_number, number: @chapter.number) %> <%= @chapter.name %></h1>

  <%= @chapter.description_html %>

</div>

<% if @chapter.lessons.present? %>
<div>
  <h3><%= t(:content) %></h3>

  <% @chapter.lessons.each do |lesson| %>
    <h4><%= t(:lesson_number, number: lesson.number) %>: <%= link_to_path_element lesson, mode: :plain %></h4>
    <%= render partial: 'layouts/progress_listing', locals: {exercises: lesson.exercises} %>
  <% end %>
</div>
<% end %>

Remove start button from chapter view
Remove start button from chapter view
