Examine source code of blue bubbles2

{
  "theme": {
    "images": {
      "theme_frame": "blue_bubble_header.png"
    },
    "colors": {
      "frame": "#98f0f0",
      "tab_background_text": "#ddf505"
    }
  },
  "version": "2.0",
  "name": "blue bubbles2",
  "manifest_version": 2,
  "description": "blue,blue, the sky is blue..."
}