Examine source code of Thunder Storm

{
  "name": "Thunder Storm",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "R.I.P (9).png"
    },
    "colors": {
      "frame": "rgba(0, 47, 158, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 1, 56, 0.16)",
      "toolbar_field": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{14da3dc4-637e-4987-b1eb-754d7ab76ba6}"
    }
  }
}