<section class="ICO">
          <div class="one-fourth-gridtable">
                <table class="grid table">
                     <?php while($subject = mysqli_fetch_assoc($subject_set)) {
                     $imagenavn = $subject['navn'];
                     $sql = "SELECT * FROM product_images WHERE image_name = '$imagenavn'";
                     $sth = $db->query($sql);
                     $result=mysqli_fetch_array($sth);
                ?>

                <td> <div style="border: 1px solid black; border-radius:2000px;">

            <?php echo '<img src="data:image/jpeg;base64,'.base64_encode( $result['image'] ).'"/>'; ?>

            </div><a class="action" href="<?php echo url_for('../show.php?id=' . h(u($subject['id']))); ?>"><?php echo h($subject['navn']); ?></a>

                </td>

            <?php } ?>
            </table>
            </div>
            </section>

table {
    background-color:#6991AC;
    width: 100%;
    text-align:center;
    display:inline-table;
    margin-top:-5%;
    }
.ICO {
    max-width:1100px;
    margin: 0 auto; }
.one-fourth-gridtable {
    width:100%;
}