Examine source code of Julia Dream

{
  "name": "Julia Dream",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "xsetroot16x16.png"
    },
    "colors": {
      "frame": "rgb(22, 54, 75)",
      "tab_background_text": "rgba(115, 115, 115, 1)",
      "toolbar": "rgba(63, 91, 91, 0.04)",
      "bookmark_text": "rgba(255, 255, 255, 0.94)",
      "toolbar_field": "rgba(0, 0, 0, 0.2)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(136, 172, 173, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{325b37e7-e00f-4680-9cd2-5f76d8762ad7}"
    }
  }
}