Examine source code of Purposefully ugly theme

{
  "name": "Purposefully ugly theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "FISH!!!.png"
    },
    "colors": {
      "frame": "rgba(138, 87, 36, 1)",
      "tab_background_text": "rgba(217, 0, 0, 1)",
      "toolbar": "rgba(180, 255, 127, 1)",
      "bookmark_text": "rgba(255, 230, 0, 1)",
      "toolbar_field": "rgba(168, 255, 254, 1)",
      "toolbar_field_text": "rgba(249, 235, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b42cd03f-bc97-4a09-b796-481384c76d9d}"
    }
  }
}