.site-header {
  background: #007BFF;
  color: #fff;
  padding: 1rem 5rem;
}

p, li, h1 {
  color: #fff;
}

.policy {
  margin: 1rem 10rem;
  font-size: 1.2rem;
}

@media(prefers-color-scheme: light) {
  html {
    background-color: #fff;
    color: #000;
  }
  .site-header {
    background: #fff;
    color: #000;
  }

  p, li, h1 {
    color: #000;
  }
}