Examine source code of Purple Render Pattern

{
  "name": "Purple Render Pattern",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "purple.render.iii.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 0.82)",
      "bookmark_text": "rgba(45, 0, 117, 1)",
      "toolbar_field": "rgba(45, 0, 117, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f8119cfc-f76a-4374-b28e-e0a1981726ec}"
    }
  }
}