Examine source code of Simple Discord Theme

{
  "name": "Simple Discord Theme",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "Discord.png"
    },
    "colors": {
      "frame": "rgba(114, 137, 219, 1)",
      "tab_background_text": "rgba(29, 29, 31, 1)",
      "toolbar": "rgba(49, 51, 56, 1)",
      "bookmark_text": "rgba(156, 175, 230, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e94b59a-ed3f-4328-889d-fb2861be6e39}"
    }
  }
}