anchor.diff:  <div class = "container">
     <div class="row ajax-hide">
       <div class="card-panel white profile ajax-hide">
  -      <div class="row s12 m12 l12">
  -        <div class="s12 m12 l12 center-align">
  +      <div class="row">
  +        <div class="center-align">
             <h3><%= @sport.name %></h3>
           </div>
  -        <div class="row s12 m12 l6 center-align calendar">
  +        <div class="center-align calendar">
             <%= link_to "<-", location_sport_path(@location, @sport, date: @date - 1.day) %>
             <%= @date_display %>
             <%= link_to "->", location_sport_path(@location, @sport, date: @date + 1.day) %>
           </div>
         </div>
  -      <div class="row s12 m12 l12" id="top-box">
  +      <div class="row" id="top-box">
           <div class="col s12 m12 l4 center-align">
             <% if current_user %>
             <%= render partial: "users_sports/form" %>
  
positive.code:           </div>
          </div>
          <div class="calendar">
            <div class=" col s12 m12 l4 center-align">
              <%= form_for(@sport, url: location_sport_navigate_path(@location, @sport)) do |f| %>
              <%= render partial: "navigate_form", locals: {f: f} %>
              <% end %>
  
negative.code:             <div class="card-action"></div>
            </div>
          </div>
          <% end %>
        </div>
      </div>
  