<?php 
$html = '
<!doctype html>
<html>
  <head>
    <meta name="viewport" content="width=device-width">
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>'.$subject.'</title>
    <style type="text/css">

    </style>
  </head>
  <body class="" style="background-color: #f6f6f6; font-family: sans-serif; -webkit-font-smoothing: antialiased; font-size: 14px; line-height: 1.4; margin: 0; padding: 0; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;">
    <table border="0" cellpadding="0" cellspacing="0" class="body" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background-color: #f6f6f6;">
      <tr>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
        <td class="container" style="font-family: sans-serif; font-size: 14px; vertical-align: top; display: block; Margin: 0 auto; max-width: 580px; padding: 10px; width: 580px;">
          <div class="content" style="box-sizing: border-box; display: block; Margin: 0 auto; max-width: 580px; padding: 10px;">

            <!-- START CENTERED WHITE CONTAINER -->
            <table class="main" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background: #ffffff; border-radius: 3px;">

              <!-- START MAIN CONTENT AREA -->
              <tr>
                <td class="wrapper" style="font-family: sans-serif; font-size: 14px; vertical-align: top; box-sizing: border-box; padding: 20px;">
                  <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
                    <tr>
                      <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">
                        <table border="0" cellpadding="0" cellspacing="0" class="btn btn-primary" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; box-sizing: border-box;">
                          <tbody>
                            <tr>
                              <td align="left" style="font-family: sans-serif; font-size: 14px; vertical-align: top; padding-bottom: 15px;">
                                <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: auto;">
                                  <tbody>
                                    <tr>
                                      <td style="font-family: sans-serif; font-size: 14px; vertical-align: top; border-radius: 5px; text-align: center;">'.$message.'</td>
                                    </tr>
                                  </tbody>
                                </table>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </td>
                    </tr>
                  </table>
                </td>
              </tr>

            <!-- END MAIN CONTENT AREA -->
            </table>

          <!-- END CENTERED WHITE CONTAINER -->
          </div>
        </td>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
      </tr>
    </table>
  </body>
</html>';
?>