Examine source code of pencil flowers

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#c7eff5",
      "tab_background_text": "#12630c"
    }
  },
  "version": "2.0",
  "name": "pencil flowers",
  "manifest_version": 2,
  "description": "it is a simple theme that gives a sense of happiness due to different colors"
}