.site-nav {
  text-align: center;
  padding: 0.75rem 1rem 1.5rem;
}

.site-nav a {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: #33ff33aa;
  padding: 0.4rem 1rem;
  margin: 0.2rem 0.3rem;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.site-nav a:hover {
  color: #00ffff;
  border-color: #00ffff44;
  text-shadow: 0 0 8px #00ffff44;
}

.site-nav a[aria-current="page"] {
  color: #00ffff;
  border-color: #00ffff44;
  text-shadow: 0 0 10px #00ffff66;
}