body {
  margin: 0;
  background: #000;
  font-family: Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  flex-direction: column;
  color: #fff;
}

#meet {
  width: 100%;
  height: 100vh;
  display: none;
}

#loading { text-align: center; }

button {
  padding: 14px 28px;
  font-size: 18px;
  border: none;
  border-radius: 8px;
  background: #00babf;
  color: #000;
  cursor: pointer;
}