html {
  height: 100%;
  width: 80%;
  background-color: black;
  margin: 50px 20vw;
  
}
body {
  color: white;
  font-family: 'Courier New', Courier, monospace;
  width:60vw;
}

.rightHeader{
  color: white;
  font-family: 'Courier New', Courier, monospace;
  text-align: right;
  }  

a {
  color: white
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}