<link href="https://fonts.googleapis.com/css?family=Bree+Serif&display=swap" rel="stylesheet">
<style type="text/css">
    table{
        background: linear-gradient(to right, #0033cc 0%, #ff0066 100%);
        border: 5px outset darkblue;
    }
    th, td{
        font-family: 'Bree Serif', serif;
        width: 100px;
    }
</style>

<?php
    $siswa = array(array("1314114590", "Tony", "MIF1"), array("1314114592", "Thor", "MIF2"), array("1314114593", "Bruce", "MIF3"));

    echo '<table border = 1>
            <tr>
                <th>NIS</th>
                <th>NAMA</th>
                <th>KELAS</th>
            </tr>';
            for ($i = 0; $i < 3; $i++) {
                echo '<tr>';
                for ($j = 0; $j < 3; $j++) {
                    echo '<td>'.$siswa[$i][$j].'</td>';
                }
                echo '</tr>';
            }
    echo '</table>';
?>