/* General page style /
body {
  background: #000;
  color: #fff;
  font-family: "Courier New", monospace;
  text-align: center;
  margin: 0;
  padding: 0;
}

/ Navigation bar /
.navbar {
  background: #111;
  padding: 10px;
  border-bottom: 2px solid #fff;
}
.navbar a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}
.navbar a:hover {
  color: #000;
  background: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  transition: 0.2s;
}

/ Content box */
.content {
  margin: 40px auto;
  padding: 20px;
  max-width: 600px;
  background: #111;
  border: 2px solid #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px #fff;
}