<!DOCTYPE html>
  <html lang="en">
  <head>
      <title>Maintenance!</title>
     <meta content="minimum-scale=1.0, width=device-width, maximum-scale=0.6667, user-scalable=no" name="viewport"> 
  </head>
  <style>
      html,body{
          background: #f8f9fa;
          width: 100%;
          height: 100%;
          font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
          font-size: 1rem;
          font-weight: 400;
          line-height: 1.5;
          margin: 0px;
          padding: 0px;
          color: #212529;
      }
      a{
        text-decoration: none;
        color: #212529;
      }
      .page-row{
          display: flex;
          flex-wrap: wrap;
          height: 100%;
          width: 100%;
          align-items: center;
          text-align: center;
      }
      .page-content{
          width: 100%;
          text-align: center;
      }
      .page-title{
          font-size: 50px;
          margin-top: -100px;
      }
      .page-description{
          color: #868e96;
          font-size: 16px;
      }
      .page-description p{
          padding: 0px;
          margin: 0px;
      }
      @media(max-width: 768px){
          .page-title{
              font-size: 100px;
              margin-top: -70px;
          }
      }
  </style>
  <body>
  <div class="page-row">
      <div class="page-content">
          <div class="page-title">
              OOPS! Didn't you know?
          </div>
          <div class="page-description">
              <p>Our site is in maintenance. Thank you for your understanding.</p>
          </div>
      </div>
  </div>
  </body>
  </html>