tenfourfox/browser/themes/shared/urlbarSearchSuggestionsNotification.inc.css

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] {
  border-bottom: 1px solid hsla(210, 4%, 10%, 0.14);
  background-color: hsla(210, 4%, 10%, 0.07);
  padding: 6px 0;
  -moz-padding-start: 44px;
  -moz-padding-end: 6px;
  background-image: url("chrome://browser/skin/info.svg");
  background-clip: padding-box;
  background-position: 20px center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"]:-moz-locale-dir(rtl) {
  background-position: right 20px center;
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description {
  margin: 0;
  padding: 0;
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > description > label.text-link {
  -moz-margin-start: 0;
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button {
  -moz-appearance: none;
  min-width: 80px;
  border-radius: 3px;
  padding: 4px 16px;
  margin: 0;
  -moz-margin-start: 10px;
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"] {
  color: hsl(210, 0%, 38%);
  background-color: hsl(210, 0%, 88%);
  border: 1px solid hsl(210, 0%, 82%);
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-disable"]:hover {
  background-color: hsl(210, 0%, 84%);
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"] {
  color: white;
  background-color: hsl(93, 82%, 44%);
  border: 1px solid hsl(93, 82%, 44%);
}

#PopupAutoCompleteRichResult > hbox[anonid="search-suggestions-notification"] > button[anonid="search-suggestions-notification-enable"]:hover {
  background-color: hsl(93, 82%, 40%);
}