@media only screen and (min-width: 769px) {
  .d_customBoxA.TabCont .wcontainer {
    display:flex;
    flex-wrap:wrap;
  }
  
  .d_customBoxA.TabCont .witem {
    width: 33%;
    padding: 0 30px 30px 0;
  }
  
  .d_customBoxA.TabCont .witem img {
    width:100%;
  }
}

@media only screen and (max-width: 768px) {
  .d_customBoxA.TabCont .wcontainer {
    display:flex;
    flex-wrap:wrap;
  }
  
  .d_customBoxA.TabCont .witem {
    width: 50%;
    padding: 0 10px 10px 0;
  }
  
  .d_customBoxA.TabCont .witem img {
    width:100%;
  }
}