body {
  background-color:white;
  text-align:center;
  color:white;
  margin:10px;
  padding:10px;
}
h1,h2,h3,h4,h5,h6 {
  background-color:black;
  text-align:center;
  color:white;
}
p {
  background-color:white;
  text-align:center;
  color:black;
  margin:0px;
  padding:0px;
}