body {
  margin: 0;
  overflow-x: auto;
  overflow-y: auto;
  FONT-FAMILY: Helvetica, "Times New Roman", Arial; 
  FONT-SIZE: 16px;
  font-weight: bold;
}

ntmi {
  color: brown;
  FONT-SIZE: 22px;
}

intv {
  color: green;
  FONT-SIZE: 22px;
}
H1 {
   text-align:center;
   FONT-SIZE: 40px;
}
H2 {
   text-align:center;
   FONT-SIZE: 30px;
   font-style: italic;
}