Examine source code of Spaceships

{
  "name": "Spaceships",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "images.jpg"
    },
    "colors": {
      "frame": "rgba(0, 28, 89, 1)",
      "tab_background_text": "rgba(255, 3, 3, 1)",
      "toolbar": "rgba(29, 32, 125, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(133, 130, 130, 1)"
    }
  }
}