Examine source code of RandA Persona

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#fc1f1f",
      "tab_background_text": "#e81e1e"
    }
  },
  "version": "2.0",
  "name": "RandA Persona",
  "manifest_version": 2,
  "description": "A light, clear persona with the letters R and A. I like them."
}