Examine source code of sommets enneiges

{
  "theme": {
    "images": {
      "theme_frame": "Sommetsenneigs.png"
    },
    "colors": {
      "frame": "#01121c",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "sommets enneiges",
  "manifest_version": 2,
  "description": "mountains montagnes  neige snow blue-sky blue bleu nature paysage landscape"
}