Examine source code of Non-Binary Stars

{
  "name": "Non-Binary Stars",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "non-binary stars.png"
    },
    "colors": {
      "frame": "rgba(3, 3, 3, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(72, 30, 102, 0.67)",
      "bookmark_text": "rgba(255, 244, 51, 1)",
      "toolbar_field": "rgba(71, 30, 102, 0.75)",
      "toolbar_field_text": "rgba(255, 244, 51, 1)"
    }
  }
}