.pd_icons {
  display: flex;
  flex-flow: row wrap;
  align-items: flex-start;
  justify-content: center;
}
.pd_icons img {
  width: 30%;
}
@media(max-width: 768px) {
.tabs {
  text-align: center;
}
}
#tab1, #tab2, #tab3 {
  padding: 1.5rem 0px 0px;
}