body{
  font-family: sans-serif;
  margin: 40px auto;
  padding: 0px 10px;
  max-width: 1000px;
  line-height: 1.6;
  font-size: 18px;
  background-color: #eee;
}

.row {
  display: flex;
}

.column {
  flex: 33.33%;
  padding: 5px;
}


img {
    transition:transform 0.25s ease;
}


.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}

/*img:hover {
    -webkit-transform:scale(1.75); 
    transform:scale(1.75);
}*/