Examine source code of Ice Blood

{
  "manifest_version": 2,
  "version": "1.0",
  "applications": {
    "gecko": {
      "id": "{d4f8b9c2-6a3e-4e7d-b812-9f3a2e76c4a8}"
    }
  },
  "name": "Ice Blood",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(15, 82, 186)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(167, 199, 231)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(15, 82, 186)",
      "tab_line": "rgb(15, 82, 186)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(15, 82, 186)",
      "tab_loading": "rgb(15, 82, 186)"
    }
  }
}