One to many in div and show column model (side by side), but this script grow bottom, please help me

<?php
$mysqli = new mysqli("x", "xy", "xz", "db");
$kolom = 4;
$i=1;
$result = mysqli_query($mysqli, "SELECT * FROM daftar_penawaran");
while ($data = mysqli_fetch_array($result)) {
//if(($i) % $kolom== 1) {echo'<tr>';}
if(($i) % $kolom== 1) {echo '<div class="FourColumn">';}
    //echo '<td align="center" width="300px"> 
    echo '
        <p>'.$data['NoPenawaran'].'</p><br>
        <p>'.$data['JudulPenawaran'].'</p><br>';
    
$rowset = mysqli_query($mysqli, "select * from isi_penawaran where NoPenawaran='".$data['NoPenawaran']."'");
while ($rowsetdata = mysqli_fetch_array($rowset)) {
echo 
        //'<td align="center" width="300px"> 
        '<table>
        <tr>
        <td>'.$rowsetdata['IsiPenawaran'].'</td>
        <td>'.$rowsetdata['Nilai'].'</td>
        </tr>
        </table>';    
}
if(($i) % $kolom== 0) {echo'</div>';}
$i++;
}
?>

One to many in div and show column model (side by side), but this script grow bottom, please help me any one