Examine source code of purple stars

{
  "theme": {
    "images": {
      "theme_frame": "me_purplestars.jpg"
    },
    "colors": {
      "frame": "#8c4ba6",
      "tab_background_text": "#4d097d"
    }
  },
  "version": "2.0",
  "name": "purple stars",
  "manifest_version": 2
}