header {
  background-color: #222;
  color: white;
  padding: 20px 0;
  font-size: 2.0em;
  font-weight: bold;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  text-align: center;
}

.logo-link {
  display: inline-block;
  font-weight: bold;
  transition: transform 0.3s ease;
  color: inherit;
  text-decoration: none;
}

.logo-link:hover {
  transform: scale(1.1);
}