Examine source code of 9003beautiful_sky

{
  "name": "9003beautiful_sky",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "footer.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(159, 235, 234, 1)",
      "toolbar_field": "rgba(230, 239, 242, 1)",
      "toolbar_field_text": "rgba(123, 200, 209, 1)"
    }
  }
}