Examine source code of Light Beam

{
  "theme": {
    "images": {
      "theme_frame": "lightpersona.jpg"
    },
    "colors": {
      "frame": "#2aace8",
      "tab_background_text": "#3fa7e8"
    }
  },
  "version": "2.0",
  "name": "Light Beam",
  "manifest_version": 2,
  "description": "Light beams into one"
}