:root{--gx:64px}
@media (max-width:900px){
  :root{--gx:32px}
  h1{font-size:56px!important}
  h2{font-size:42px!important}
}
@media (max-width:600px){
  :root{--gx:20px}
  h1{font-size:42px!important;line-height:1.1!important}
  h2{font-size:34px!important;line-height:1.15!important}
}