body {
  font-family: sans-serif;
  background-color: #fff;
  color: #000;
  text-align: center;
}
.dark-theme {
  background-color: #111;
  color: #eee;
}
.balances .app, .summary {
  margin: 1rem;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 10px;
}