Examine source code of Abstract grey stripes

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Abstract grey stripes",
  "manifest_version": 2,
  "description": "Abstract grey stripes. low contrast so it doesn't compete with the UI. Easy on the eyes ;)"
}