/* Three image containers (use 25% for four, and 50% for two, etc) */
.column {
  /* background-color: lightgrey; */
  float: left;
  width: 33.33%;
  text-align: center;
}

/* Clear floats after image containers */
.row::after {
  content: "";
  clear: both;
  display: table;
}

.tophead {
  display: block;
}

.bothead {
  display: none;
}

@media (max-width: 600px) {
  .tophead{
    display: none;
  }
  .bothead{
    display: block;
  }
  .column {
    width: 100%;
  }
}