@media (max-width:1024px){
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .grid-5{grid-template-columns:1fr}
  .hamburger{display:block}
  .nav{display:none}
}