body {
  background-color: black;
  color: white;
  background-image: url('starfield_screensaver.gif');
  background-repeat: no-repeat;
  background-size: cover;
  font-family: 'nasa'
}
header {
  width: 500px;
  border: dashed;
  margin-left: 493.34px;
  margin-right: 493.34px;
}

  
h1 {
  text-align: center;
  font-size: 40pt;
}

body {
  color: white;
}