Examine source code of Gradient Night Sky

{
  "name": "Gradient Blue sky",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "rainbow-sky-beautiful-pictures-19401741-1093-614.jpg"
    },
    "colors": {
      "toolbar": "rgba(26, 24, 24, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(80, 235, 217, 1)",
      "frame": "rgba(2, 63, 204, 0)",
      "tab_background_text": "rgba(80, 235, 217, 1)",
      "bookmark_text": "rgba(80, 235, 217, 1)"
    }
  }
}