Examine source code of strawberryshortcake20

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "strawberryshortcake",
  "theme": {
    "images": {
      "additional_backgrounds": []
    },
    "properties": {
      "additional_backgrounds_alignment": [],
      "additional_backgrounds_tiling": []
    },
    "colors": {
      "toolbar": "rgba(255, 221, 236, 0.63)",
      "toolbar_text": "rgb(255, 96, 127)",
      "frame": "rgb(255, 237, 245)",
      "tab_background_text": "rgb(255, 100, 146)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(255, 152, 194)",
      "tab_line": "rgb(223, 27, 29)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(230, 41, 102)",
      "tab_loading": "rgb(223, 27, 29)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{098b580f-e434-4a42-b2f8-3d9913e344e4}"
    }
  }
}