body {
  margin: 0;
  padding: 0;
  background: black;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
}

.container {
  padding: 20px;
}

.logo {
  max-width: 300px;
  width: 100%;
  margin-top: 40px;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 15px 25px;
  background-color: yellow;
  color: black;
  font-weight: bold;
  font-size: 18px;
  text-decoration: none;
  border-radius: 8px;
  box-shadow: 0 0 10px yellow;
}

@media screen and (max-width: 600px) {
  .logo {
    max-width: 80%;
  }

  .button {
    font-size: 16px;
    padding: 12px 20px;
  }
}