Examine source code of Shield bomb

{
  "name": "Shield bomb ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Outside Triple Powerbomb trought a Table to the Steel Steps.jpg"
    },
    "colors": {
      "frame": "rgba(16, 3, 71, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(3, 1, 1, 1)",
      "toolbar_field": "rgba(30, 30, 199, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}