.math-healthcheck{
  position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden
}
.footer{padding:55px 0 82px;color:var(--muted);font-size:14px}
@media(max-width:820px){
  .card,.card.third{grid-column:1/-1}
  .review-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow .arrow{transform:rotate(90deg)}
}