Examine source code of Light blue ripples

{
  "theme": {
    "images": {
      "theme_frame": "Ripples_header.png"
    },
    "colors": {
      "frame": "#1e5e96",
      "tab_background_text": "#66cccc"
    }
  },
  "version": "2.0",
  "name": "Light blue ripples",
  "manifest_version": 2,
  "description": "Blue water like ripples"
}