body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: #000000;
  background: #ffffff;
  text-align: center;
  margin: auto;
  min-width: 924px;
  height:100%; 
}
h1 {
  vertical-align: top;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: bold;
  color: #000000;
  margin-top: 10px;
  margin-bottom: 10px;
}
h2 {
  vertical-align: top;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: bold;
  color: #000000;
  margin-top: 10px;
  margin-bottom: 10px;
}