body  {
  background-color: #E6E6E6;
}
h1 {
  background-color: black;
  color: white;
  border-radius: 50px;
  border-width: 1px;
  padding-left: 2ch;
  padding-right: 2ch;
  width: 8ch;
  font:  normal bold  "New Century Schoolbook" , serif;
  font-size: 2.5em; 
}
.presentation
{
  margin: 50px;
  text-align:left;
  font:  normal bold  "New Century Schoolbook" , Sans-serif;
  font-size: 1.8em;
}
.about
{
  margin: 10px;
  text-align:left;
  font:  normal bold  "New Century Schoolbook" , Sans-serif;
  font-size: 1.3em;
}in