PHP CSS menampilkan tanggal seperti kalender

<?php

$hari=date('w');

$tgl =date('d');

$bln =date('m');

$thn =date('Y');

switch($hari)

{    

        case 0 : {$hari='Minggu';}break;

        case 1 : {$hari='Senin';}break;

        case 2 : {$hari='Selasa';}break;

        case 3 : {$hari='Rabu';}break;

        case 4 : {$hari='Kamis';}break;

        case 5 : {$hari="Jum'at";}break;

        case 6 : {$hari='Sabtu';}break;

        default: {$hari='UnKnown';}break;

}

   

switch($bln)

{      

        case 1 : {$bln='Jan';}break;

        case 2 : {$bln='Feb';}break;

        case 3 : {$bln='Mar';}break;

        case 4 : {$bln='Apr';}break;

        case 5 : {$bln='Mei';}break;

        case 6 : {$bln="Jun";}break;

        case 7 : {$bln='Jul';}break;

        case 8 : {$bln='Agu';}break;

        case 9 : {$bln='Sep';}break;

        case 10 : {$bln='Okt';}break;    

        case 11 : {$bln='Nov';}break;

        case 12 : {$bln='Des';}break;

        default: {$bln='UnK';}break;

}

$sekarang=" ".$hari." , ".$tgl." ".$bln." ".$thn;

?>

<style type="text/css">

h2.date-header {

  margin: 45px 10px 0 0;

  float:center;

  background:rgba(87, 87, 87, 0.2);

  border-radius:5px;

  font-weight: bold;

  width: 75px;

  height: 85px;

  text-align: center;

  box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.3), inset 0px 1px 3px rgba(0, 0, 0, 0.2);

}

.date-header .bln {

  font-size: 16px;

  width: 75px;

  margin: 0 auto;

  padding: 3px 0;

  color: #666;

  background:rgba(87, 87, 87, 0.1);

  border-radius:5px 5px 0 0;

  text-shadow: 1px 1px 0px #BABABA;

  box-shadow:0px 2px 1px #9C9C9C, inset 0 2px 50px rgba(0, 0, 0, 0.2);

}

.date-header .hr {

  color:#fff;

  font-size: 40px;

  width: 75px;

  margin: 0 auto;

  text-shadow: 0px 1px 0px #000;padding-top:5px;

}

</style>

<h2 class='date-header'>

<div class='bln'><?php echo "$bln $thn";?></div> <div class='hr'><?php echo "$tgl";?></div>

</h2>