body,
html {
  background-color: #1c2333;
  color: white;
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
}

* {
  box-sizing: border-box;
}

#container {
  padding: 16px;
}

.btn {
  border-radius: 8px;
  padding: 8px;
  background: transparent;
  color: white;
  border-color: white;
}