Examine source code of Estrada

{
  "name": "Estrada",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Estrada.gif"
    },
    "colors": {
      "frame": "rgba(1, 1, 36, 1)",
      "tab_background_text": "rgba(168, 105, 24, 1)",
      "bookmark_text": "rgba(1, 1, 36, 1)",
      "toolbar_field_text": "rgba(15, 0, 0, 1)"
    }
  }
}