Examine source code of harmonious springtime

{
  "theme": {
    "images": {
      "theme_frame": "harmoniousspringtime2kopiera.jpg"
    },
    "colors": {
      "frame": "#8beaf7",
      "tab_background_text": "#fbfcae"
    }
  },
  "version": "2.0",
  "name": "harmonious springtime",
  "manifest_version": 2,
  "description": "spring, springtime in Sweden, by the lake, water, water surface reflecting the sky, clouds, harmony, inner peace"
}