Examine source code of cricket theme 2

{
  "theme": {
    "images": {
      "theme_frame": "cricket_top.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#0a2109"
    }
  },
  "version": "2.0",
  "name": "cricket theme 2",
  "manifest_version": 2,
  "description": "My second attempt at a cricket theme"
}