Examine source code of Gradient Purple Blu

{
  "theme": {
    "images": {
      "theme_frame": "purpleblu.JPG"
    },
    "colors": {
      "frame": "#3300ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Gradient Purple Blu",
  "manifest_version": 2,
  "description": "Gradient purpleish blu. Coming soon- pink, black, neon of all sorts, magenta, and white."
}