tap/app/views/users/_user.html.erb

<div class="col-md-3">
  <div class="thumbnail monopoly">
    <h3 class="header" style="background-color: #<%=get_color(user)%>;" ><%= user.full_name %></h3>
    <div class="caption">
      <% if user.avatar.exists? %>
        <%= image_tag(user.avatar , class: "img-circle avatar") %>
      <% else %>
        <%= image_tag("http://babeholder.pixoil.com/img/70/70", class: "img-circle avatar") %>
      <% end %>
      <p><strong>Name:</strong> <%= user.name %></p>
      <p><strong>Last name:</strong> <%= user.last_name %></p>
      <p><strong>Nickname:</strong> <%= user.nickname %></p>
      <p><strong>Balance:</strong> <%= user.balance %></p>
    </div>
    <div class="footer">
      <p>
        <%= link_to "Delete", user_path(user), method: :delete, class: "btn btn-danger", data: {confirm: 'Are you sure?'} %>
      </p>

    </div>
  </div>
</div>