Examine source code of Blue Moon Reflections

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a0101",
      "tab_background_text": "#9790eb"
    }
  },
  "version": "2.0",
  "name": "Blue Moon Reflections",
  "manifest_version": 2,
  "description": "Blue Moon at night"
}