Examine source code of Springtime in the Forest

{
  "theme": {
    "images": {
      "theme_frame": "SpringtimeintheForest.jpg"
    },
    "colors": {
      "frame": "#041704",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Springtime in the Forest",
  "manifest_version": 2,
  "description": "Deep in the forest, an adorable floppy-eared bunny has hopped onto a tree stump to take a look at beautiful, colorful blooming flowers after a long winter."
}