eShop CSS

.col-md-3 {
    width: 25%;
}

@media (max-width: 767px) {
    .col-md-3 {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .col-md-3 {
        width: 50%;
    }
}

.eshop-categories-list > .row {
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  /* 1 */
  margin: 0;
  padding: 0;
  list-style: none;
}

.eshop-categories-list > .row > * {
  /* 1 */
  -ms-flex: none;
  -webkit-flex: none;
  flex: none;
  /* 2 */
  margin: 0;
  /* 3 */
  float: left;
}
/*
 * Remove margin from the last-child
 */
.eshop-categories-list > .row > * > :last-child {
  margin-bottom: 0;
}