Examine source code of Spring Green Flower Power

{
  "theme": {
    "images": {
      "theme_frame": "Spring-Flower-Power.jpg"
    },
    "colors": {
      "frame": "#e3f5a6",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Spring Green Flower Power",
  "manifest_version": 2,
  "description": "The sun has finally emerged... it's Spring!"
}