Examine source code of Dragoonscale Persona

{
  "theme": {
    "images": {
      "theme_frame": "firefoxpersona.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#e08a12"
    }
  },
  "version": "2.0",
  "name": "Dragoonscale Persona",
  "manifest_version": 2,
  "description": "Black peronsa with orange text and the logo dragoonscale with a gradient towards the right side fading to white."
}