Examine source code of Mad Max 1979

{
  "name": "Mad Max 1979",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "madmax1979-8.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(168, 168, 168, 0.52)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(31, 6, 6, 0.54)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 179, 0, 0.62)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e93bfa3-14d5-43a7-ac91-8544ae703125}"
    }
  }
}