.wp-block-montanera-blocks-alternate-columns{
  display: flex;
}
.wp-block-montanera-blocks-alternate-columns:first-of-type {
    margin-top: 80px;
}
@media (min-width: 768px) {
  .wp-block-montanera-blocks-alternate-columns:nth-of-type(2n){
    flex-flow: row-reverse;
  }
  .wp-block-montanera-blocks-alternate-columns div{
    width: 50%;
  }
}