<style>
body {
background-color: #383838;
}
h1 {
  color: white;
  font-family: verdana;
  text-align: center;
  background-color: black;
  font-size: 50px;
}
h2 {
  color: white;
  font-family: verdana;
  text-align: center;
  background-color: black;
  font-size: 40px;
}
h3 {
  color: white;
  font-family: verdana;
  text-align: center;
  background-color: #383838;}x
  font-size: 30px;

</style>