Examine source code of Texas Spring Bluebonnets

{
  "theme": {
    "images": {
      "theme_frame": "Bluebonnet-persona.jpg"
    },
    "colors": {
      "frame": "#787878",
      "tab_background_text": "#e5e691"
    }
  },
  "version": "2.0",
  "name": "Texas Spring Bluebonnets",
  "manifest_version": 2,
  "description": "Spring time in Texas means lots of Bluebonnets"
}