5chan/src/themes.css

:root .yotsuba {
  --background-color: #ffe;
  --background-fade: url("/public/assets/background-fade.png");
  --color-primary: #800;
  --text-primary: #fff;
  --text-black: #000;
  --text-white: #fff;
  --text-background: #fff;
  --text-link: #00f;
}

:root .yotsuba-b {
  --background-color: #eef2ff;
  --background-fade: url("/public/assets/background-fade-blue.png");
  --color-primary: #98e;
  --text-primary: #000;
  --text-black: #000;
  --text-white: #fff;
  --text-background: #fff;
  --text-link: #00f;
}