Examine source code of BR★S

{
  "name": "BR★S",
  "manifest_version": 2,
  "version": "11.0",
  "theme": {
    "images": {
      "theme_frame": "767_20220705194328[1].png"
    },
    "colors": {
      "frame": "rgba(0, 58, 219, 1)",
      "tab_background_text": "rgba(255, 255, 255, 0.85)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(0, 187, 255, 1)",
      "tab_line": "rgba(171, 97, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{00466f45-ffe5-432d-9677-a75082531b82}"
    }
  }
}