Examine source code of Vassalord Paint Yaoi

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Vassalord.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#7d7d7d"
    }
  },
  "version": "2.0",
  "name": "Vassalord Paint Yaoi",
  "manifest_version": 2,
  "description": "Vassalord / ヴァッサロード / 血咒圣痕 is a manga by Chrono Nanae."
}