Examine source code of Sweet morning

{
  "theme": {
    "images": {
      "theme_frame": "211120080522500x200.jpg"
    },
    "colors": {
      "frame": "#1bb5a8",
      "tab_background_text": "#163273"
    }
  },
  "version": "2.0",
  "name": "Sweet morning",
  "manifest_version": 2,
  "description": "test one"
}