5chan/src/themes.css

:root .yotsuba {
  --background-base-color: #ffe;
  --background-pattern-image: url("/public/assets/background-fade.png");
  --primary-color: #800;
  --secondary-color: #fca;
  --text-color-on-primary: #fff;
  --text-color-on-secondary: #800;
  --text-color-standard: #000;
  --text-color-inverse: #fff;
  --background-text-color: #fff;
  --link-text-color: #00f;
}

:root .yotsuba-b {
  --background-base-color: #eef2ff;
  --background-pattern-image: url("/public/assets/background-fade-blue.png");
  --primary-color: #98e;
  --secondary-color: #98e;
  --text-color-on-primary: #000;
  --text-color-on-secondary: #000;
  --text-color-standard: #000;
  --text-color-inverse: #fff;
  --background-text-color: #fff;
  --link-text-color: #00f;
}