Examine source code of lunar Cycle

{
  "name": "lunar Cycle",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "lunar cycle.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(238, 255, 0, 1)",
      "toolbar": "rgba(255, 242, 0, 0.16)",
      "bookmark_text": "rgba(208, 255, 0, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.89)",
      "toolbar_field_text": "rgba(255, 251, 0, 1)",
      "tab_line": "rgba(209, 255, 3, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac90b582-83d7-4342-88dd-7578af5e2a1b}"
    }
  }
}