Examine source code of Sweet Nostalgia

{
  "theme": {
    "images": {
      "theme_frame": "NewVinPer1.jpg"
    },
    "colors": {
      "frame": "#1a0808",
      "tab_background_text": "#baaf86"
    }
  },
  "version": "2.0",
  "name": "Sweet Nostalgia",
  "manifest_version": 2,
  "description": "A touch of Vintage, things to be found on the attic, sweet memories..."
}