Examine source code of Pink

{
  "name": "Pink",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "pink-background.png"
    },
    "colors": {
      "frame": "rgba(240, 152, 224, 1)",
      "tab_background_text": "rgba(240, 152, 224, 1)"
    }
  }
}