Examine source code of Water blue silver

{
  "theme": {
    "images": {
      "theme_frame": "1.1.jpg"
    },
    "colors": {
      "frame": "#2b5fc9",
      "tab_background_text": "#868cd9"
    }
  },
  "version": "2.0",
  "name": "Water blue silver",
  "manifest_version": 2,
  "description": "Hope you like it"
}