Examine source code of Bern and Lambda

{
  "theme": {
    "images": {
      "theme_frame": "klklkkl.png"
    },
    "colors": {
      "frame": "#949494",
      "tab_background_text": "#616161"
    }
  },
  "version": "2.0",
  "name": "Bern and Lambda",
  "manifest_version": 2,
  "description": "Bernkastel and Lambdadelta from Umineko no naku koro ni in Touhou outfits"
}