Examine source code of Luff theme

{
  "name": "Luff theme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "ezfefzf.png"
    },
    "colors": {
      "frame": "rgba(235, 108, 108, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(224, 47, 47, 1)",
      "toolbar_field_text": "rgba(13, 13, 13, 1)",
      "tab_line": "rgba(3, 3, 3, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7c5e4dd-212a-449b-a5e9-eb5adbd3dde4}"
    }
  }
}