app/views/manager_profiles/_event_staffs.html.erb
<li class="collection-item avatar">
<img src="<%= staff.user.profile_url %>" alt="User Image" class="circle">
<span class="title"><%= staff.role.capitalize.tr("_", " ")%></span>
<p><%= staff.user.first_name%><br>
<span class="emails"><%= staff.user.email%></span>
</p>
<a href="<%= remove_staff_path(event_staff_id: staff) %>"
data-confirm="Are you sure you want to delete this staff ?">
<i class="material-icons secondary-content">delete</i></a>
</li>