Examine source code of Tangerine . Love

{
  "theme": {
    "images": {
      "theme_frame": "tangerine_firefox_banner4.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ff8000"
    }
  },
  "version": "2.0",
  "name": "Tangerine . Love",
  "manifest_version": 2,
  "description": "tangerine is my personal mascot for my commissions.\n\nhe loves citrus fruits and hopes you'll enjoy them too."
}