$output='<h2 class="text-center mb-4" style="color:red">Elementos</h2>
        <div class="table-responsive">
            <table class="table">
                <thead>
                    <tr class="jumbotron">
                        <th>Nº Interno</th>
                        <th>Nome</th>
                        <th>SV</th>
                    </tr>
                </thead>
                '.do{.'
                    <tbody style="border-bottom:2px solid red;">
                        <td>'.$row_elementos['N Interno'].'</td>
                        <td>'.$row_elementos['Nome'].'</td>
                        <td>'.$total.'</td>
                    </tbody>'.
                }while ($row_elementos = mysql_fetch_assoc($elementos)).'
            </table>
        </div>';