Examine source code of Reign - Trio 4

{
  "name": "Reign - Trio 4",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Reign001.jpg"
    },
    "colors": {
      "frame": "rgba(23, 13, 4, 1)",
      "tab_background_text": "rgba(255, 218, 166, 1)",
      "toolbar": "rgba(255, 238, 212, 0.1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(232, 223, 208, 1)"
    }
  }
}