Examine source code of Ocean Aurora

{
  "name": "Ocean Aurora",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Ocean Aurora.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0)",
      "tab_background_text": "rgba(245, 245, 245, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(212, 212, 212, 1)",
      "toolbar_field": "rgba(0, 70, 82, 0.7)",
      "toolbar_field_text": "rgba(240, 240, 240, 1)"
    }
  }
}