Examine source code of BSSB Theme_01

{
  "name": "BSSB Theme_01",
  "manifest_version": 2,
  "version": "1.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "e442ce418bc61763614d767191918a98--bright-dress-angelic-pretty02.jpg"
    },
    "colors": {
      "frame": "rgba(183, 214, 232, 1)",
      "tab_background_text": "rgba(245, 171, 227, 1)",
      "toolbar": "rgba(185, 211, 235, 1)",
      "bookmark_text": "rgba(245, 171, 227, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{043b0144-bcc0-4f80-aa1f-347115f519b3}"
    }
  }
}