Examine source code of Black Panther Print

{
  "name": "Black Panther Print",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Black Panther Print.png"
    },
    "colors": {
      "frame": "rgba(17, 21, 28, 1)",
      "tab_background_text": "rgba(159, 173, 204, 1)",
      "toolbar": "rgba(19, 23, 31, 0)",
      "toolbar_field": "rgba(19, 23, 31, 0)",
      "toolbar_field_text": "rgba(159, 173, 204, 1)",
      "tab_line": "rgba(159, 173, 204, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a6b10ea3-a735-4da2-bca1-7d6dc3dd99df}"
    }
  }
}