Examine source code of Arrow - Trio

{
  "name": "Arrow - Trio",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(3, 4, 8, 1)",
      "tab_background_text": "#e5fffb",
      "toolbar": "rgba(228, 231, 245, 0.11)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(245, 245, 245, 1)"
    }
  }
}