Examine source code of Red Panda cheeky

{
  "theme": {
    "images": {
      "theme_frame": "panda.jpg"
    },
    "colors": {
      "frame": "#0000ff",
      "tab_background_text": "#0000ff"
    }
  },
  "version": "2.0",
  "name": "Red Panda cheeky",
  "manifest_version": 2,
  "description": "a cheeky red panda on a leafy background"
}