Examine source code of Delicate Blues

{
  "theme": {
    "images": {
      "theme_frame": "Truelove_Persona.jpg"
    },
    "colors": {
      "frame": "#154cab",
      "tab_background_text": "#4250ad"
    }
  },
  "version": "2.0",
  "name": "Delicate Blues",
  "manifest_version": 2,
  "description": "Delicate Blue on White."
}