H4        { font: bold 12pt Times, "Times New Roman", serif;
            }

  H1        { font: bold 24pt Arial, Helvetica, sans-serif;
              text-align: center;
            }

  H2        { font: bold 18pt Arial, Helvetica, sans-serif;
              text-align: center;
            }

 img        {
              display: block;
              margin-left: auto;
              margin-right: auto;
            }

div          {text-align: center;}

p {max-width: 1200px; margin-left: auto;
     margin-right: auto;}