Examine source code of Rina Tennoji

{
  "name": "Rina Tennoji",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "title-bar-2.png"
    },
    "colors": {
      "frame": "rgba(255, 219, 240, 1)",
      "tab_background_text": "rgba(70, 13, 140, 1)",
      "toolbar": "rgba(158, 232, 255, 0.85)",
      "bookmark_text": "rgba(70, 13, 140, 1)",
      "toolbar_field": "rgba(245, 252, 255, 0.85)",
      "toolbar_field_text": "rgba(76, 13, 143, 1)",
      "tab_line": "rgba(124, 67, 204, 0.72)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{52f3f1ab-89da-4b0b-a214-0dd0f0c01801}"
    }
  }
}