Examine source code of Sighthound Sunset

{
  "theme": {
    "images": {
      "theme_frame": "PersonasSighthoundSunset.jpg"
    },
    "colors": {
      "frame": "#f7c46c",
      "tab_background_text": "#140d26"
    }
  },
  "version": "2.0",
  "name": "Sighthound Sunset",
  "manifest_version": 2,
  "description": "Galgo Espanol in the Sunset\n- greyhound, sighthound"
}