body {
  background-color: black;
}

.header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  background-color: rgb(66, 63, 63);
  color: white;
  text-align: center;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgb(66, 63, 63);
  color: white;
  text-align: left;
}