@media (prefers-color-scheme: dark) {
  html,
  body,
  table,
  td,
  .email-container {
      background-color: #000000 !important;
  }

  h1,
  h2,
  h3,
  a {
      color: #ffffff !important;
  }

  p {
      color: #bfbdbf !important;
  }
}