Examine source code of Shin Zangetsu Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#257827",
      "tab_background_text": "#79ff66"
    }
  },
  "version": "2.0",
  "name": "Shin Zangetsu Theme",
  "manifest_version": 2,
  "description": "A fan-made theme of Shin Zangetsu Melon Energy Arms."
}