.wrapper{
  width: 100%;
  min-height: 150px;
    display: flex;
    flex-wrap: nowrap; 
}

.column {
  flex: 1;
    background-color: #f1f1f1;
padding: 30px;
  min-height: 100%
}

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media screen and (max-width:600px) {
  .column {
    width: 100%;
  }
}