html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #111;
  color: white;
  font-family: Arial, sans-serif;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#sos-btn {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: none;
  background: red;
  color: white;
  font-size: 48px;
}

#cancel-btn {
  margin-top: 10px;
  display: none;
}

#status {
  margin-top: 15px;
}