Examine source code of chiikawa

{
  "name": "chiikawa",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1111111111232412.png"
    },
    "colors": {
      "frame": "rgba(181, 199, 242, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 255, 255, 0.47)",
      "bookmark_text": "rgba(21, 54, 107, 1)",
      "toolbar_field_text": "rgba(60, 78, 130, 1)",
      "tab_line": "rgba(171, 219, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{826b3913-cb24-47d1-8473-be7e2e25c6de}"
    }
  }
}