.owl-carousel {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.owl-carousel .item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #ffffff88;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 20px;
}

.image_holder {
    max-width: 100%;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.owl-nav span {
  font-size: 3em;
}