.topic-completed::before {
  font-family: FontAwesome;
  content: "\f05d ";
  color: #26C68C;
  margin-right: 3px;
}

.topic-notcompleted::before {
  font-family: FontAwesome;
  content: "\f05d ";
  color: #dddddd;
  margin-right: 3px;
}