.history_page ul.megamenu-inner.main-wrapper.history_list {
  display: flex;
  flex-wrap: wrap;
}
.history_page li.history_mega_list {
  width: calc(25% - 20px);
  margin: 5px 10px;
  padding: 10px;
}
@media screen and (max-width:767px) {
  .history_page li.history_mega_list {
    width: calc(33% - 20px);
    margin: 5px 10px;
    padding: 10px;
  }
}
@media screen and (max-width:450px) {
  .history_page ul.megamenu-inner.main-wrapper.history_list li.history_mega_list {
    width: calc(50% - 20px);
    margin: 5px 10px;
    padding: 0px;
  }
}