Examine source code of Colored Bubbles

{
  "theme": {
    "images": {
      "theme_frame": "ColorsBubbles_Hedder2.JPG"
    },
    "colors": {
      "frame": "#faf9f2",
      "tab_background_text": "#f7e705"
    }
  },
  "version": "2.0",
  "name": "Colored Bubbles",
  "manifest_version": 2,
  "description": "Macro of soft drink bubbles."
}