body {
  background: black;
  color: cyan;
  font-family: Arial, sans-serif;
  text-align: center;
  padding-top: 50px;
}
button {
  background: transparent;
  border: 2px solid cyan;
  color: cyan;
  padding: 10px 20px;
  margin: 20px;
  cursor: pointer;
}
button:hover {
  background: cyan;
  color: black;
}
.logo {
  font-size: 3em;
  margin-bottom: 40px;
}