Examine source code of Mentally ill

{
  "name": "Mentally ill",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "mentally-ill-2.png"
    },
    "colors": {
      "frame": "rgba(219, 114, 21, 0.7)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(89, 89, 89, 0.56)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 200, 145, 0.22)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 0.6)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0cb06981-6512-480e-9c15-0ecadf1144c1}"
    }
  }
}