Examine source code of Spring Pink

{
  "theme": {
    "images": {
      "theme_frame": "pinkflowerheader.png"
    },
    "colors": {
      "frame": "#a4f590",
      "tab_background_text": "#f7e799"
    }
  },
  "version": "2.0",
  "name": "Spring Pink",
  "manifest_version": 2,
  "description": "It's spring and flowers smell fresh."
}