@size: 18px;

@media screen and (max-width: 768px) {
  html {
    font-size: 324 / @size;
  }
}
@media screen and (min-width: 768px) {
  html {
    font-size: 324 / @size;
  }
}
@media screen and (min-width: 992px) {
  html {
    font-size: 396 / @size;
  }
}
@media screen and (min-width: 1200px) {
  html {
    font-size: 504 / @size;
  }
}
