Examine source code of Sheimi

{
  "theme": {
    "images": {
      "theme_frame": "2zsywz6.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#fca4a4"
    }
  },
  "version": "2.0",
  "name": "Sheimi",
  "manifest_version": 2,
  "description": "an RPG anime character from trickster online enjoy! ^-^"
}