anchor.diff:  <% button_style = "background-color:#4fc059;border-radius:2px;color:white;display:inline-block;font-family:Roboto,Arial,Helvetica,sans-serif;font-size:12px;font-weight:bold;min-height:29px;line-height:29px;min-width:54px;outline:0px;padding:0 8px;text-align:center;text-decoration:none" %>
   
   <!DOCTYPE html>
  +<style>
  +  div {
  +    color: #424242;
  +  }
  +
  +  li {
  +    margin: 4px 0;
  +  }
  +</style>
   <div style="padding: 16px; background: white; text-align: left; font-family: Arial">
     <p>Hey <%= @user.name %>, there was activity by others in the last 24 hours on map
       <%= link_to @map.name, map_url(@map) %>
     </p>
  -  <p># of messages: <%= @summary_data[:stats][:messages_sent] || 0 %></p>
  -  <p># of topics added: <%= @summary_data[:stats][:topics_added] || 0 %></p>
  -  <p># of topics moved: <%= @summary_data[:stats][:topics_moved] || 0%></p>
  -  <p># of topics removed: <%= @summary_data[:stats][:topics_removed] || 0 %></p>
  -  <p># of synapses added: <%= @summary_data[:stats][:synapses_added] || 0 %></p>
  -  <p># of synapses removed: <%= @summary_data[:stats][:synapses_removed] || 0 %></p>
  +  <div>
  +    <% if @summary_data[:stats][:messages_sent] > 0 %>
  +      <p style="margin:6px 0;color:#a354cd;"><%= pluralize(@summary_data[:stats][:messages_sent], 'message') %></p>
  +    <% end %>
  +    <% if @summary_data[:stats][:topics_added] > 0 %>
  +      <p style="margin:6px 0;color:#4FC059;"><%= pluralize(@summary_data[:stats][:topics_added], 'topic') %> added</p>
  +    <% end %>
  +    <% if @summary_data[:stats][:synapses_added] > 0 %>
  +      <p style="margin:6px 0;color:#4FC059;"><%= pluralize(@summary_data[:stats][:synapses_added], 'synapse') %> added</p>
  +    <% end %>
  +    <% if @summary_data[:stats][:topics_moved] > 0 %>
  +      <p style="margin:6px 0;color:#00BCD4;"><%= pluralize(@summary_data[:stats][:topics_moved], 'topic') %> moved</p>
  +    <% end %>
  +    <% if @summary_data[:stats][:topics_removed] > 0 %>
  +      <p style="margin:6px 0;color:#c04f4f;"><%= pluralize(@summary_data[:stats][:topics_removed], 'topic') %> removed</p>
  +    <% end %>
  +    <% if @summary_data[:stats][:synapses_removed] > 0 %>
  +      <p style="margin:6px 0;color:#c04f4f;"><%= pluralize(@summary_data[:stats][:synapses_removed], 'synapse') %> removed</p>
  +    <% end %>
  +  </div>
     <hr>
     <% if @summary_data[:topics_added] %>
  -    <h2>Topics Added</h2>
  +    <h3 style="color:#424242;">Topics Added</h3>
       <ul>
         <% @summary_data[:topics_added].each do |event| %>
           <li><%= event.eventable.name %></li>
  
positive.code:   <% end %>
  
    <% if @summary_data[:topics_removed] %>
      <h2>Topics Removed</h2>
      <ul>
        <% @summary_data[:topics_removed].each do |event| %>
          <li><%= event.eventable.name %></li>
  
negative.code:   <% end %>
  
    <% if @summary_data[:synapses_added] %>
      <h3 style="color:#424242;">Synapses Added</h3>
      <ul>
        <% @summary_data[:synapses_added].each do |event| %>
          <li>
            <%= event.eventable.topic1.name %></br>
            <img src="https://s3.amazonaws.com/metamaps-assets/site/synapse16.png" /></br>
            <%= event.eventable.topic2.name %>
          </li>
        <% end %>
      </ul>
    <% end %>
  
    <% if @summary_data[:synapses_removed] %>
      <h3 style="color:#424242;">Synapses Removed</h3>
      <ul>
        <% @summary_data[:synapses_removed].each do |event| %>
          <li>
            <%= event.eventable.topic1.name %></br>
            <img src="https://s3.amazonaws.com/metamaps-assets/site/synapse16.png" /></br>
            <%= event.eventable.topic2.name %>
          </li>
        <% end %>
      </ul>
    <% end %>
  