Examine source code of TXT theme

{
  "name": "TXT theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "fs.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(240, 237, 237, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(216, 161, 217, 1)",
      "toolbar_field": "rgba(190, 161, 204, 0.12)",
      "toolbar_field_text": "rgba(210, 171, 214, 1)",
      "tab_line": "rgba(196, 176, 207, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{05ade8a6-d491-4df1-b6a3-ce3c143eff09}"
    }
  }
}