Examine source code of multibiblioteka

{
  "name": "multibiblioteka",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "logo_biblioteka100x100.png"
    },
    "colors": {
      "toolbar": "rgba(82, 108, 255, 0.3)",
      "toolbar_field": "rgba(82, 108, 255, 0.8)",
      "toolbar_field_text": "rgba(1, 1, 1, 0.8)",
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 0.8)",
      "bookmark_text": "rgba(40, 31, 219, 1)"
    }
  }
}