html[data-theme="dark"] .cta {
  background: #061b21;
  color: #f4f8f8;
}

html[data-theme="dark"] .cta em {
  color: #39d5ce;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .cta {
    background: #061b21;
    color: #f4f8f8;
  }

  html:not([data-theme="light"]) .cta em {
    color: #39d5ce;
  }
}