<link href="https://fonts.googleapis.com/css?family=Bree+Serif&display=swap" rel="stylesheet">
<style type="text/css">
    table{
        border: 5px outset blue;
        background: linear-gradient(to bottom, #33ccff 0%, #ff3399 100%);
    }
    th{
        font-family: 'Bree Serif', serif;
        font-size: 30px;
    }
    td{
        font-family: 'Bree Serif', serif;
        font-size: 20px;
    }
    td.batas{
        height: 5px;
        border-radius: 50px;
        background-color: blue;
    }
</style>

<?php
    $kalender = 0;
    $bulan = $_POST['bulan'];
    $tahun = $_POST['tahun'];
    $hari = cal_days_in_month($kalender, $bulan, $tahun);
?>

<table>
    <tr>
        <th colspan="3">Menghitung Jumlah hari</th>
    </tr>
    <tr>
        <td colspan="3" class="batas"></td>
    </tr>
    <tr>
        <td>Bulan</td>
        <td>:</td>
        <td>
            <?php
                if ($bulan == 1) {
                    echo "Januari";
                }
                elseif ($bulan == 2) {
                    echo "Februari";
                }
                elseif ($bulan == 3) {
                    echo "Februari";
                }
                elseif ($bulan == 4) {
                    echo "Februari";
                }
                elseif ($bulan == 5) {
                    echo "Februari";
                }
                elseif ($bulan == 6) {
                    echo "Februari";
                }
                elseif ($bulan == 7) {
                    echo "Februari";
                }
                elseif ($bulan == 8) {
                    echo "Februari";
                }
                elseif ($bulan == 9) {
                    echo "Februari";
                }
                elseif ($bulan == 10) {
                    echo "Februari";
                }
                elseif ($bulan == 11) {
                    echo "Februari";
                }
                else {
                    echo "Desember";
                }
            ?>
        </td>
    </tr>
    <tr>
        <td>Tahun</td>
        <td>:</td>
        <td>
            <?php
                echo $tahun;
            ?>
        </td>
    </tr>
    <tr>
        <td class="batas" colspan="3"></td>
    </tr>
    <tr>
        <td>Jumlah Hari</td>
        <td>:</td>
        <td>
            <?php
                echo $hari;
            ?>
        </td>
    </tr>
</table>