-<h3><%= t ".how_to_help.title" %></h3>
-
-<div class='clearfix'>
- <div class='col6 inner11'>
- <h3><%= t ".how_to_help.join_the_community.title" %></h3>
- <%= t ".how_to_help.join_the_community.explanation_html" %>
- <div class='clearfix center'>
- <a class="button sign-up" href="<%= user_new_path %>"><%= t('layouts.start_mapping') %></a>
- </div>
+<div class='row'>
+ <div class='col-sm'>
+ <h3 class='fs-5'><%= t ".how_to_help.join_the_community.title" %></h3>
+ <p><%= t ".how_to_help.join_the_community.explanation_html" %></p>
+ <p class='text-center'>
+ <a class="btn btn-primary" href="<%= user_new_path %>"><%= t("layouts.start_mapping") %></a>
+ </p>