app/views/admin_mailer/team_list_email.html.erb
<html>
<head>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
</head>
<body>
<table class="table table-striped table-hover" style="border: 1px solid black; padding: 15px; border-spacing: 5px; border-collapse: collapse; width: 100%; ">
<tr style="border: 1px solid black;">
<td>Team ID</td>
<td>Members</td>
<td>Status</td>
</tr>
<% Team.filter_by(params[:status]).each do |t| %>
<tr>
<td><%= t.id %></td>
<td><% t.users.each do |u| %>
<%= u.name %>
<br>
<% end %></td>
<td><%= t.approved ? 'Approved' : 'Not Approved' %></td>
<br>
</tr>
<% end %>
</table>
</body>
</html>