body {
  margin-top: 50px;
  background: black;
  color: white;
  font-family: "droid sans mono", monospace;
  font-size: 14pt;
}

div#menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: #0355b9;
  opacity: 0.5;
}