Examine source code of Evan

{
  "name": "Evan",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "2021-03-1017.57.55-1728284948.jpg"
    },
    "colors": {
      "frame": "rgba(78, 45, 99, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(27, 30, 222, 1)",
      "bookmark_text": "rgba(0, 0, 0, 0.52)",
      "toolbar_field": "rgba(20, 250, 89, 1)",
      "toolbar_field_text": "rgba(65, 242, 0, 1)"
    }
  }
}