Examine source code of telyo3

{
  "theme": {
    "images": {
      "theme_frame": "2_262330019690.jpg"
    },
    "colors": {
      "frame": "#fc0505",
      "tab_background_text": "#faf7f7"
    }
  },
  "version": "2.0",
  "name": "telyo3",
  "manifest_version": 2,
  "description": "k-on!"
}