inject_css_override.css

:root {
  --main-bgcolor: white;
  --main-color: unset;
  --secondary-color: black;
}

iframe {
  border-color: rgb(51, 51, 51); /* The default iframe border is quite light */
}

[ud-html4-support]{
  color: var(--ud-html4-color,white)!important;
}