.list-filter ul {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}
.list-filter ul li {
  width: 50%;
  padding: 0 10px;
}
@media (min-width: 768px) {
  .txt-question {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }
}

@media all and (max-width: 767px){
  .list-filter ul li {
    width: 100%;
  }
}