.grid-footer {
  display: grid;
  /*grid-gap: 1em;*/
  /*grid-auto-columns: 1fr;*/
  /*grid-auto-flow: column;*/
  padding-bottom:0.5em;
}


.grid-footer .box { 
  text-align: center;
  /*grid-row: 1; */
  }



@media (min-width: 768px) {
    .grid-footer {
  grid-template-columns: 1fr 1fr 1fr;
}
}