body {
  background-color: #111111;
  color: white;
  font-family: Courier;
}
ul.mynav {
  list-style-type: none;
  margin: 0;
  padding: 0;
  width: 200px;
  background-color: #222222;
  height: 100%; /* Full height */
  position: fixed; /* Make it stick, even on scroll */
  overflow: auto; /* Enable scrolling if the sidenav has too much content */
}
ul li.mynav {
  text-align: center;
  padding: 0.5em;
}
.maintext {
  margin-left:200px;
  padding-left: 0.5em;
  color:aqua;
}