Examine source code of Sun Particle

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#fa0000",
      "tab_background_text": "#080202"
    }
  },
  "version": "2.0",
  "name": "Sun Particle",
  "manifest_version": 2,
  "description": "Reminiscent of a setting sun over a body of water. Richly colorful."
}