Examine source code of Dark Blue Red

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_TEMPLATE.jpg"
    },
    "colors": {
      "frame": "#c7bbbb",
      "tab_background_text": "#e3c6c6"
    }
  },
  "version": "2.0",
  "name": "Dark Blue Red",
  "manifest_version": 2,
  "description": "Two steps make it"
}