body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.logo {
  max-width: 700px;
  width: 90%;
  height: auto;
  transition: opacity 0.2s ease;
}

a:hover .logo {
  opacity: 0.8;
}