Examine source code of half life weed

{
  "name": "half life weed",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "c0ocWyH-q5HtXyIAonnlttErGJ12kquktCWn2zjCnS8[1].png"
    },
    "colors": {
      "frame": "rgba(105, 158, 82, 1)",
      "tab_background_text": "rgba(240, 240, 240, 1)",
      "toolbar": "rgba(81, 138, 75, 1)",
      "bookmark_text": "rgba(190, 201, 173, 1)",
      "toolbar_field": "rgba(173, 163, 163, 1)",
      "toolbar_field_text": "rgba(82, 97, 74, 1)",
      "tab_line": "rgba(214, 201, 201, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{49c13432-3859-49cc-81c2-0f50fa2b8076}"
    }
  }
}