Blame for style.css

body {
  padding: 1.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #0b192c;
}

h1, h2, h3, strong {
  color: inherit;
}

p, li, td, th {
  color: inherit;
  font-size: 14.5px;
  line-height: 1.58;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #f8fafc;
  }
}