Examine source code of Scaled Hissi

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#3232cf",
      "tab_background_text": "#110f17"
    }
  },
  "version": "2.0",
  "name": "Scaled Hissi",
  "manifest_version": 2,
  "description": "A airbrush-scaled blue background with a simple drawing of a Hissi."
}