body {
  background-color: #0b0b0b;
  color: #fdfdfd;
  font-family: 'Courier New', monospace;
  padding: 20px;
}
nav {
  background-color: #1c1c1c;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.action-button {
  display: inline-block;
  margin: 10px;
  padding: 12px 20px;
  background-color: #0077cc;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s ease;
}
.action-button:hover {
  background-color: #005fa3;
}