#altcha-login {
  display: flex;
  justify-content: center;
  margin: 1rem 0 0.5rem;
}

#altcha-login altcha-widget {
  --altcha-max-width: 100%;
  --altcha-border-radius: 0.25rem;
  width: 100%;
}

html.dark-mode #altcha-login altcha-widget {
  --altcha-color-base: #21292c;
  --altcha-color-text: #c5d1d3;
  --altcha-color-border: #4a5a60;
}