app/views/schools/interventions/show.html.erb
<div class="row justify-content-md-center">
<div class="col col-lg-8">
<h3>
<%= fa_icon("#{@observation.intervention_type.intervention_type_group.icon}") %>
<%= @observation.intervention_type.name %>
</h3>
<h4><%= nice_dates(@observation.at) %></h4>
<%= @observation.description %>
<%= t('interventions.show.pupils_involved_in_this_activity') %>: <%= @observation.pupil_count %>
</div>
</div>