Examine source code of nighhtmare

{
  "name": "nighhtmare",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hub-logo-footer.png"
    },
    "colors": {
      "frame": "rgba(32, 88, 199, 1)",
      "tab_background_text": "rgba(158, 224, 250, 1)",
      "toolbar": "rgba(214, 30, 30, 1)",
      "bookmark_text": "rgba(245, 233, 142, 1)",
      "toolbar_field": "rgba(37, 112, 88, 1)",
      "toolbar_field_text": "rgba(224, 168, 168, 1)"
    }
  }
}