Examine source code of Zodiac Cancer

{
  "theme": {
    "images": {
      "theme_frame": "Cancerz.jpg"
    },
    "colors": {
      "frame": "#4d1c05",
      "tab_background_text": "#361f08"
    }
  },
  "version": "2.0",
  "name": "Zodiac Cancer",
  "manifest_version": 2,
  "description": "Zodiac Cancer by Foxy Dog Designs"
}