Examine source code of Diner Neon

{
  "theme": {
    "images": {
      "theme_frame": "JohnyRbackground.jpg"
    },
    "colors": {
      "frame": "#2a66de",
      "tab_background_text": "#ed2d17"
    }
  },
  "version": "2.0",
  "name": "Diner Neon",
  "manifest_version": 2,
  "description": "A photo of Johny Rockets sign at Dupot Circle, D.C. And the footer is a drawing of mine."
}