.grid-container {
  display: flex;
  flex-direction: row;
  align-items: stretch;
}

.grid-column {
  padding-right: 64px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-content: flex-start;
}

.grid-one-third {
  width:33%
}

.grid-column:last-of-type  {
  padding-right: 0;
}

@media (max-width: 800px) {
  .grid-container {
    flex-direction: column;
  }
  .grid-column {
    padding-right: 0;
  }
  .grid-one-third {
    width: 100%;
    margin-bottom: 30px;
  }
}