Examine source code of Salamandre18

{
  "theme": {
    "images": {
      "theme_frame": "Sanstitre3.jpg"
    },
    "colors": {
      "frame": "#800707",
      "tab_background_text": "#380247"
    }
  },
  "version": "2.0",
  "name": "Salamandre18",
  "manifest_version": 2
}